// Copyright (c) 2006 Sébastien Gruhier (http://xilinus.com, http://itseb.com)

// 

// Permission is hereby granted, free of charge, to any person obtaining

// a copy of this software and associated documentation files (the

// "Software"), to deal in the Software without restriction, including

// without limitation the rights to use, copy, modify, merge, publish,

// distribute, sublicense, and/or sell copies of the Software, and to

// permit persons to whom the Software is furnished to do so, subject to

// the following conditions:

// 

// The above copyright notice and this permission notice shall be

// included in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE

// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION

// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//

// VERSION 1.3



var Window = Class.create();



Window.keepMultiModalWindow = false;

Window.hasEffectLib = (typeof Effect != 'undefined');

Window.resizeEffectDuration = 0.4;



Window.prototype = {

  // Constructor

  // Available parameters : className, blurClassName, title, minWidth, minHeight, maxWidth, maxHeight, width, height, top, left, bottom, right, resizable, zIndex, opacity, recenterAuto, wiredDrag

  //                        hideEffect, showEffect, showEffectOptions, hideEffectOptions, effectOptions, url, draggable, closable, minimizable, maximizable, parent, onload

  //                        add all callbacks (if you do not use an observer)

  //                        onDestroy onStartResize onStartMove onResize onMove onEndResize onEndMove onFocus onBlur onBeforeShow onShow onHide onMinimize onMaximize onClose

  

  initialize: function() {

    var id;

    var optionIndex = 0;

    // For backward compatibility like win= new Window("id", {...}) instead of win = new Window({id: "id", ...})

    if (arguments.length > 0) {

      if (typeof arguments[0] == "string" ) {

        id = arguments[0];

        optionIndex = 1;

      }

      else

        id = arguments[0] ? arguments[0].id : null;

    }

    

    // Generate unique ID if not specified

    if (!id)

      id = "window_" + new Date().getTime();

      

    if ($(id))

      alert("Window " + id + " is already registered in the DOM! Make sure you use setDestroyOnClose() or destroyOnClose: true in the constructor");



    this.options = Object.extend({

      className:         "dialog",

      blurClassName:     null,

      minWidth:          100, 

      minHeight:         20,

      resizable:         false,

      closable:          true,

      minimizable:       true,

      maximizable:       true,

      draggable:         true,

      userData:          null,

      showEffect:        (Window.hasEffectLib ? Effect.Appear : Element.show),

      hideEffect:        (Window.hasEffectLib ? Effect.Fade : Element.hide),

      showEffectOptions: {},

      hideEffectOptions: {},

      effectOptions:     null,

      parent:            document.body,

      title:             "&nbsp;",

      url:               null,

      onload:            Prototype.emptyFunction,

      width:             200,

      height:            300,

      opacity:           1,

      recenterAuto:      true,

      wiredDrag:         false,

      closeCallback:     null,

      destroyOnClose:    false,

      gridX:             1, 

      gridY:             1      

    }, arguments[optionIndex] || {});

    if (this.options.blurClassName)

      this.options.focusClassName = this.options.className;

      

    if (typeof this.options.top == "undefined" &&  typeof this.options.bottom ==  "undefined") 

      this.options.top = this._round(Math.random()*500, this.options.gridY);

    if (typeof this.options.left == "undefined" &&  typeof this.options.right ==  "undefined") 

      this.options.left = this._round(Math.random()*500, this.options.gridX);



    if (this.options.effectOptions) {

      Object.extend(this.options.hideEffectOptions, this.options.effectOptions);

      Object.extend(this.options.showEffectOptions, this.options.effectOptions);

      if (this.options.showEffect == Element.Appear)

        this.options.showEffectOptions.to = this.options.opacity;

    }

    if (Window.hasEffectLib) {

      if (this.options.showEffect == Effect.Appear)

        this.options.showEffectOptions.to = this.options.opacity;

    

      if (this.options.hideEffect == Effect.Fade)

        this.options.hideEffectOptions.from = this.options.opacity;

    }

    if (this.options.hideEffect == Element.hide)

      this.options.hideEffect = function(){ Element.hide(this.element); if (this.options.destroyOnClose) this.destroy(); }.bind(this)

    

    if (this.options.parent != document.body)  

      this.options.parent = $(this.options.parent);

      

    this.element = this._createWindow(id);       

    this.element.win = this;

    

    // Bind event listener

    this.eventMouseDown = this._initDrag.bindAsEventListener(this);

    this.eventMouseUp   = this._endDrag.bindAsEventListener(this);

    this.eventMouseMove = this._updateDrag.bindAsEventListener(this);

    this.eventOnLoad    = this._getWindowBorderSize.bindAsEventListener(this);

    this.eventMouseDownContent = this.toFront.bindAsEventListener(this);

    this.eventResize = this._recenter.bindAsEventListener(this);

 

    this.topbar = $(this.element.id + "_top");

    this.bottombar = $(this.element.id + "_bottom");

    this.content = $(this.element.id + "_content");

    

    Event.observe(this.topbar, "mousedown", this.eventMouseDown);

    Event.observe(this.bottombar, "mousedown", this.eventMouseDown);

    Event.observe(this.content, "mousedown", this.eventMouseDownContent);

    Event.observe(window, "load", this.eventOnLoad);

    Event.observe(window, "resize", this.eventResize);

    Event.observe(window, "scroll", this.eventResize);

    Event.observe(this.options.parent, "scroll", this.eventResize);

    

    if (this.options.draggable)  {

      var that = this;

      [this.topbar, this.topbar.up().previous(), this.topbar.up().next()].each(function(element) {

        element.observe("mousedown", that.eventMouseDown);

        element.addClassName("top_draggable");

      });

      [this.bottombar.up(), this.bottombar.up().previous(), this.bottombar.up().next()].each(function(element) {

        element.observe("mousedown", that.eventMouseDown);

        element.addClassName("bottom_draggable");

      });

      

    }    

    

    if (this.options.resizable) {

      this.sizer = $(this.element.id + "_sizer");

      Event.observe(this.sizer, "mousedown", this.eventMouseDown);

    }  

    

    this.useLeft = null;

    this.useTop = null;

    if (typeof this.options.left != "undefined") {

      this.element.setStyle({left: parseFloat(this.options.left) + 'px'});

      this.useLeft = true;

    }

    else {

      this.element.setStyle({right: parseFloat(this.options.right) + 'px'});

      this.useLeft = false;

    }

    

    if (typeof this.options.top != "undefined") {

      this.element.setStyle({top: parseFloat(this.options.top) + 'px'});

      this.useTop = true;

    }

    else {

      this.element.setStyle({bottom: parseFloat(this.options.bottom) + 'px'});      

      this.useTop = false;

    }

      

    this.storedLocation = null;

    

    this.setOpacity(this.options.opacity);

    if (this.options.zIndex)

      this.setZIndex(this.options.zIndex)



    if (this.options.destroyOnClose)

      this.setDestroyOnClose(true);



    this._getWindowBorderSize();

    this.width = this.options.width;

    this.height = this.options.height;

    this.visible = false;

    

    this.constraint = false;

    this.constraintPad = {top: 0, left:0, bottom:0, right:0};

    

    if (this.width && this.height)

      this.setSize(this.options.width, this.options.height);

    this.setTitle(this.options.title)

    Windows.register(this);      

  },

  

  // Destructor

  destroy: function() {

    this._notify("onDestroy");

    Event.stopObserving(this.topbar, "mousedown", this.eventMouseDown);

    Event.stopObserving(this.bottombar, "mousedown", this.eventMouseDown);

    Event.stopObserving(this.content, "mousedown", this.eventMouseDownContent);

    

    Event.stopObserving(window, "load", this.eventOnLoad);

    Event.stopObserving(window, "resize", this.eventResize);

    Event.stopObserving(window, "scroll", this.eventResize);

    

    Event.stopObserving(this.content, "load", this.options.onload);



    if (this._oldParent) {

      var content = this.getContent();

      var originalContent = null;

      for(var i = 0; i < content.childNodes.length; i++) {

        originalContent = content.childNodes[i];

        if (originalContent.nodeType == 1) 

          break;

        originalContent = null;

      }

      if (originalContent)

        this._oldParent.appendChild(originalContent);

      this._oldParent = null;

    }



    if (this.sizer)

        Event.stopObserving(this.sizer, "mousedown", this.eventMouseDown);



    if (this.options.url) 

      this.content.src = null



     if(this.iefix) 

      Element.remove(this.iefix);



    Element.remove(this.element);

    Windows.unregister(this);      

  },

    

  // Sets close callback, if it sets, it should return true to be able to close the window.

  setCloseCallback: function(callback) {

    this.options.closeCallback = callback;

  },

  

  // Gets window content

  getContent: function () {

    return this.content;

  },

  

  // Sets the content with an element id

  setContent: function(id, autoresize, autoposition) {

    var element = $(id);

    if (null == element) throw "Unable to find element '" + id + "' in DOM";

    this._oldParent = element.parentNode;



    var d = null;

    var p = null;



    if (autoresize) 

      d = Element.getDimensions(element);

    if (autoposition) 

      p = Position.cumulativeOffset(element);



    var content = this.getContent();

    // Clear HTML (and even iframe)

    this.setHTMLContent("");

    content = this.getContent();

    

    content.appendChild(element);

    element.show();

    if (autoresize) 

      this.setSize(d.width, d.height);

    if (autoposition) 

      this.setLocation(p[1] - this.heightN, p[0] - this.widthW);    

  },

  

  setHTMLContent: function(html) {

    // It was an url (iframe), recreate a div content instead of iframe content

    if (this.options.url) {

      this.content.src = null;

      this.options.url = null;

      

  	  var content ="<div id=\"" + this.getId() + "_content\" class=\"" + this.options.className + "_content\"> </div>";

      $(this.getId() +"_table_content").innerHTML = content;

      

      this.content = $(this.element.id + "_content");

    }

      

    this.getContent().innerHTML = html;

  },

  

  setAjaxContent: function(url, options, showCentered, showModal) {

    this.showFunction = showCentered ? "showCenter" : "show";

    this.showModal = showModal || false;

  

    options = options || {};



    // Clear HTML (and even iframe)

    this.setHTMLContent("");

 

    this.onComplete = options.onComplete;

    if (! this._onCompleteHandler)

      this._onCompleteHandler = this._setAjaxContent.bind(this);

    options.onComplete = this._onCompleteHandler;



    new Ajax.Request(url, options);    

    options.onComplete = this.onComplete;

  },

  

  _setAjaxContent: function(originalRequest) {

    Element.update(this.getContent(), originalRequest.responseText);

    if (this.onComplete)

      this.onComplete(originalRequest);

    this.onComplete = null;

    this[this.showFunction](this.showModal)

  },

  

  setURL: function(url) {

    // Not an url content, change div to iframe

    if (this.options.url) 

      this.content.src = null;

    this.options.url = url;

    var content= "<iframe frameborder='0' name='" + this.getId() + "_content'  id='" + this.getId() + "_content' src='" + url + "' width='" + this.width + "' height='" + this.height +"' style='overflow:hidden'> </iframe>";

    $(this.getId() +"_table_content").innerHTML = content;

    

    this.content = $(this.element.id + "_content");

  },



  getURL: function() {

  	return this.options.url ? this.options.url : null;

  },



  refresh: function() {

    if (this.options.url)

	    $(this.element.getAttribute('id') + '_content').src = this.options.url;

  },

  

  // Stores position/size in a cookie, by default named with window id

  setCookie: function(name, expires, path, domain, secure) {

    name = name || this.element.id;

    this.cookie = [name, expires, path, domain, secure];

    

    // Get cookie

    var value = WindowUtilities.getCookie(name)

    // If exists

    if (value) {

      var values = value.split(',');

      var x = values[0].split(':');

      var y = values[1].split(':');



      var w = parseFloat(values[2]), h = parseFloat(values[3]);

      var mini = values[4];

      var maxi = values[5];



      this.setSize(w, h);

      if (mini == "true")

        this.doMinimize = true; // Minimize will be done at onload window event

      else if (maxi == "true")

        this.doMaximize = true; // Maximize will be done at onload window event



      this.useLeft = x[0] == "l";

      this.useTop = y[0] == "t";



      this.element.setStyle(this.useLeft ? {left: x[1]} : {right: x[1]});

      this.element.setStyle(this.useTop ? {top: y[1]} : {bottom: y[1]});

    }

  },

  

  // Gets window ID

  getId: function() {

    return this.element.id;

  },

  

  // Detroys itself when closing 

  setDestroyOnClose: function() {

    this.options.destroyOnClose = true;

  },

  

  setConstraint: function(bool, padding) {

    this.constraint = bool;

    this.constraintPad = Object.extend(this.constraintPad, padding || {});

    // Reset location to apply constraint

    if (this.useTop && this.useLeft)

      this.setLocation(parseFloat(this.element.style.top), parseFloat(this.element.style.left));

  },

  

  // initDrag event



  _initDrag: function(event) {

    // No resize on minimized window

    if (Event.element(event) == this.sizer && this.isMinimized())

      return;



    // No move on maximzed window

    if (Event.element(event) != this.sizer && this.isMaximized())

      return;

      

    if (Prototype.Browser.IE && this.heightN == 0)

      this._getWindowBorderSize();

    

    // Get pointer X,Y

    this.pointer = [this._round(Event.pointerX(event), this.options.gridX), this._round(Event.pointerY(event), this.options.gridY)];

    if (this.options.wiredDrag) 

      this.currentDrag = this._createWiredElement();

    else

      this.currentDrag = this.element;

      

    // Resize

    if (Event.element(event) == this.sizer) {

      this.doResize = true;

      this.widthOrg = this.width;

      this.heightOrg = this.height;

      this.bottomOrg = parseFloat(this.element.getStyle('bottom'));

      this.rightOrg = parseFloat(this.element.getStyle('right'));

      this._notify("onStartResize");

    }

    else {

      this.doResize = false;



      // Check if click on close button, 

      var closeButton = $(this.getId() + '_close');

      if (closeButton && Position.within(closeButton, this.pointer[0], this.pointer[1])) {

        this.currentDrag = null;

        return;

      }



      this.toFront();



      if (! this.options.draggable) 

        return;

      this._notify("onStartMove");

    }    

    // Register global event to capture mouseUp and mouseMove

    Event.observe(document, "mouseup", this.eventMouseUp, false);

    Event.observe(document, "mousemove", this.eventMouseMove, false);

    

    // Add an invisible div to keep catching mouse event over iframes

    WindowUtilities.disableScreen('__invisible__', '__invisible__', this.overlayOpacity);



    // Stop selection while dragging

    document.body.ondrag = function () { return false; };

    document.body.onselectstart = function () { return false; };

    

    this.currentDrag.show();

    Event.stop(event);

  },

  

  _round: function(val, round) {

    return round == 1 ? val  : val = Math.floor(val / round) * round;

  },



  // updateDrag event

  _updateDrag: function(event) {

    var pointer =  [this._round(Event.pointerX(event), this.options.gridX), this._round(Event.pointerY(event), this.options.gridY)];  

    var dx = pointer[0] - this.pointer[0];

    var dy = pointer[1] - this.pointer[1];

    

    // Resize case, update width/height

    if (this.doResize) {

      var w = this.widthOrg + dx;

      var h = this.heightOrg + dy;

      

      dx = this.width - this.widthOrg

      dy = this.height - this.heightOrg

      

      // Check if it's a right position, update it to keep upper-left corner at the same position

      if (this.useLeft) 

        w = this._updateWidthConstraint(w)

      else 

        this.currentDrag.setStyle({right: (this.rightOrg -dx) + 'px'});

      // Check if it's a bottom position, update it to keep upper-left corner at the same position

      if (this.useTop) 

        h = this._updateHeightConstraint(h)

      else

        this.currentDrag.setStyle({bottom: (this.bottomOrg -dy) + 'px'});

        

      this.setSize(w , h);

      this._notify("onResize");

    }

    // Move case, update top/left

    else {

      this.pointer = pointer;

      

      if (this.useLeft) {

        var left =  parseFloat(this.currentDrag.getStyle('left')) + dx;

        var newLeft = this._updateLeftConstraint(left);

        // Keep mouse pointer correct

        this.pointer[0] += newLeft-left;

        this.currentDrag.setStyle({left: newLeft + 'px'});

      }

      else 

        this.currentDrag.setStyle({right: parseFloat(this.currentDrag.getStyle('right')) - dx + 'px'});

      

      if (this.useTop) {

        var top =  parseFloat(this.currentDrag.getStyle('top')) + dy;

        var newTop = this._updateTopConstraint(top);

        // Keep mouse pointer correct

        this.pointer[1] += newTop - top;

        this.currentDrag.setStyle({top: newTop + 'px'});

      }

      else 

        this.currentDrag.setStyle({bottom: parseFloat(this.currentDrag.getStyle('bottom')) - dy + 'px'});



      this._notify("onMove");

    }

    if (this.iefix) 

      this._fixIEOverlapping(); 

      

    this._removeStoreLocation();

    Event.stop(event);

  },



   // endDrag callback

   _endDrag: function(event) {

    // Remove temporary div over iframes

     WindowUtilities.enableScreen('__invisible__');

    

    if (this.doResize)

      this._notify("onEndResize");

    else

      this._notify("onEndMove");

    

    // Release event observing

    Event.stopObserving(document, "mouseup", this.eventMouseUp,false);

    Event.stopObserving(document, "mousemove", this.eventMouseMove, false);



    Event.stop(event);

    

    this._hideWiredElement();



    // Store new location/size if need be

    this._saveCookie()

      

    // Restore selection

    document.body.ondrag = null;

    document.body.onselectstart = null;

  },



  _updateLeftConstraint: function(left) {

    if (this.constraint && this.useLeft && this.useTop) {

      var width = this.options.parent == document.body ? WindowUtilities.getPageSize().windowWidth : this.options.parent.getDimensions().width;



      if (left < this.constraintPad.left)

        left = this.constraintPad.left;

      if (left + this.width + this.widthE + this.widthW > width - this.constraintPad.right) 

        left = width - this.constraintPad.right - this.width - this.widthE - this.widthW;

    }

    return left;

  },

  

  _updateTopConstraint: function(top) {

    if (this.constraint && this.useLeft && this.useTop) {        

      var height = this.options.parent == document.body ? WindowUtilities.getPageSize().windowHeight : this.options.parent.getDimensions().height;

      

      var h = this.height + this.heightN + this.heightS;



      if (top < this.constraintPad.top)

        top = this.constraintPad.top;

      if (top + h > height - this.constraintPad.bottom) 

        top = height - this.constraintPad.bottom - h;

    }

    return top;

  },

  

  _updateWidthConstraint: function(w) {

    if (this.constraint && this.useLeft && this.useTop) {

      var width = this.options.parent == document.body ? WindowUtilities.getPageSize().windowWidth : this.options.parent.getDimensions().width;

      var left =  parseFloat(this.element.getStyle("left"));



      if (left + w + this.widthE + this.widthW > width - this.constraintPad.right) 

        w = width - this.constraintPad.right - left - this.widthE - this.widthW;

    }

    return w;

  },

  

  _updateHeightConstraint: function(h) {

    if (this.constraint && this.useLeft && this.useTop) {

      var height = this.options.parent == document.body ? WindowUtilities.getPageSize().windowHeight : this.options.parent.getDimensions().height;

      var top =  parseFloat(this.element.getStyle("top"));



      if (top + h + this.heightN + this.heightS > height - this.constraintPad.bottom) 

        h = height - this.constraintPad.bottom - top - this.heightN - this.heightS;

    }

    return h;

  },

  

  

  // Creates HTML window code

  _createWindow: function(id) {

    var className = this.options.className;

    var win = document.createElement("div");

    win.setAttribute('id', id);

    win.className = "dialog";



    var content;

    if (this.options.url)

      content= "<iframe frameborder=\"0\" name=\"" + id + "_content\"  id=\"" + id + "_content\" src=\"" + this.options.url + "\"> </iframe>";

    else

      content ="<div id=\"" + id + "_content\" class=\"" +className + "_content\"> </div>";



    var closeDiv = this.options.closable ? "<div class='"+ className +"_close' id='"+ id +"_close' onclick='Windows.close(\""+ id +"\", event)'> </div>" : "";

    var minDiv = this.options.minimizable ? "<div class='"+ className + "_minimize' id='"+ id +"_minimize' onclick='Windows.minimize(\""+ id +"\", event)'> </div>" : "";

    var maxDiv = this.options.maximizable ? "<div class='"+ className + "_maximize' id='"+ id +"_maximize' onclick='Windows.maximize(\""+ id +"\", event)'> </div>" : "";

    var seAttributes = this.options.resizable ? "class='" + className + "_sizer' id='" + id + "_sizer'" : "class='"  + className + "_se'";

    var blank = "../themes/default/blank.gif";

    

    win.innerHTML = closeDiv + minDiv + maxDiv + "\

      <table id='"+ id +"_row1' class=\"top table_window\">\

        <tr>\

          <td class='"+ className +"_nw'></td>\

          <td class='"+ className +"_n'><div id='"+ id +"_top' class='"+ className +"_title title_window'>"+ this.options.title +"</div></td>\

          <td class='"+ className +"_ne'></td>\

        </tr>\

      </table>\

      <table id='"+ id +"_row2' class=\"mid table_window\">\

        <tr>\

          <td class='"+ className +"_w'></td>\

            <td id='"+ id +"_table_content' class='"+ className +"_content' valign='top'>" + content + "</td>\

          <td class='"+ className +"_e'></td>\

        </tr>\

      </table>\

        <table id='"+ id +"_row3' class=\"bot table_window\">\

        <tr>\

          <td class='"+ className +"_sw'></td>\

            <td class='"+ className +"_s'><div id='"+ id +"_bottom' class='status_bar'><span style='float:left; width:1px; height:1px'></span></div></td>\

            <td " + seAttributes + "></td>\

        </tr>\

      </table>\

    ";

    Element.hide(win);

    this.options.parent.insertBefore(win, this.options.parent.firstChild);

    Event.observe($(id + "_content"), "load", this.options.onload);

    return win;

  },

  

  

  changeClassName: function(newClassName) {    

    var className = this.options.className;

    var id = this.getId();

    $A(["_close", "_minimize", "_maximize", "_sizer", "_content"]).each(function(value) { this._toggleClassName($(id + value), className + value, newClassName + value) }.bind(this));

    this._toggleClassName($(id + "_top"), className + "_title", newClassName + "_title");

    $$("#" + id + " td").each(function(td) {td.className = td.className.sub(className,newClassName); });

    this.options.className = newClassName;

  },

  

  _toggleClassName: function(element, oldClassName, newClassName) { 

    if (element) {

      element.removeClassName(oldClassName);

      element.addClassName(newClassName);

    }

  },

  

  // Sets window location

  setLocation: function(top, left) {

    top = this._updateTopConstraint(top);

    left = this._updateLeftConstraint(left);



    var e = this.currentDrag || this.element;

    e.setStyle({top: top + 'px'});

    e.setStyle({left: left + 'px'});



    this.useLeft = true;

    this.useTop = true;

  },

    

  getLocation: function() {

    var location = {};

    if (this.useTop)

      location = Object.extend(location, {top: this.element.getStyle("top")});

    else

      location = Object.extend(location, {bottom: this.element.getStyle("bottom")});

    if (this.useLeft)

      location = Object.extend(location, {left: this.element.getStyle("left")});

    else

      location = Object.extend(location, {right: this.element.getStyle("right")});

    

    return location;

  },

  

  // Gets window size

  getSize: function() {

    return {width: this.width, height: this.height};

  },

    

  // Sets window size

  setSize: function(width, height, useEffect) {    

    width = parseFloat(width);

    height = parseFloat(height);

    

    // Check min and max size

    if (!this.minimized && width < this.options.minWidth)

      width = this.options.minWidth;



    if (!this.minimized && height < this.options.minHeight)

      height = this.options.minHeight;

      

    if (this.options. maxHeight && height > this.options. maxHeight)

      height = this.options. maxHeight;



    if (this.options. maxWidth && width > this.options. maxWidth)

      width = this.options. maxWidth;



    

    if (this.useTop && this.useLeft && Window.hasEffectLib && Effect.ResizeWindow && useEffect) {

      new Effect.ResizeWindow(this, null, null, width, height, {duration: Window.resizeEffectDuration});

    } else {

      this.width = width;

      this.height = height;

      var e = this.currentDrag ? this.currentDrag : this.element;



      e.setStyle({width: width + this.widthW + this.widthE + "px"})

      e.setStyle({height: height  + this.heightN + this.heightS + "px"})



      // Update content size

      if (!this.currentDrag || this.currentDrag == this.element) {

        var content = $(this.element.id + '_content');

        content.setStyle({height: height  + 'px'});

        content.setStyle({width: width  + 'px'});

      }

    }

  },

  

  updateHeight: function() {

    this.setSize(this.width, this.content.scrollHeight, true);

  },

  

  updateWidth: function() {

    this.setSize(this.content.scrollWidth, this.height, true);

  },

  

  // Brings window to front

  toFront: function() {

    if (this.element.style.zIndex < Windows.maxZIndex)  

      this.setZIndex(Windows.maxZIndex + 1);

    if (this.iefix) 

      this._fixIEOverlapping(); 

  },

   

  getBounds: function(insideOnly) {

    if (! this.width || !this.height || !this.visible)  

      this.computeBounds();

    var w = this.width;

    var h = this.height;



    if (!insideOnly) {

      w += this.widthW + this.widthE;

      h += this.heightN + this.heightS;

    }

    var bounds = Object.extend(this.getLocation(), {width: w + "px", height: h + "px"});

    return bounds;

  },

      

  computeBounds: function() {

     if (! this.width || !this.height) {

      var size = WindowUtilities._computeSize(this.content.innerHTML, this.content.id, this.width, this.height, 0, this.options.className)

      if (this.height)

        this.width = size + 5

      else

        this.height = size + 5

    }



    this.setSize(this.width, this.height);

    if (this.centered)

      this._center(this.centerTop, this.centerLeft);    

  },

  

  // Displays window modal state or not

  show: function(modal) {

    this.visible = true;

    if (modal) {

      // Hack for Safari !!

      if (typeof this.overlayOpacity == "undefined") {

        var that = this;

        setTimeout(function() {that.show(modal)}, 10);

        return;

      }

      Windows.addModalWindow(this);

      

      this.modal = true;      

      this.setZIndex(Windows.maxZIndex + 1);

      Windows.unsetOverflow(this);

    }

    else    

      if (!this.element.style.zIndex) 

        this.setZIndex(Windows.maxZIndex + 1);        

      

    // To restore overflow if need be

    if (this.oldStyle)

      this.getContent().setStyle({overflow: this.oldStyle});

      

    this.computeBounds();

    

    this._notify("onBeforeShow");   

    if (this.options.showEffect != Element.show && this.options.showEffectOptions)

      this.options.showEffect(this.element, this.options.showEffectOptions);  

    else

      this.options.showEffect(this.element);  

      

    this._checkIEOverlapping();

    WindowUtilities.focusedWindow = this

    this._notify("onShow");   

  },

  

  // Displays window modal state or not at the center of the page

  showCenter: function(modal, top, left) {

    this.centered = true;

    this.centerTop = top;

    this.centerLeft = left;



    this.show(modal);

  },

  

  isVisible: function() {

    return this.visible;

  },

  

  _center: function(top, left) {    

    var windowScroll = WindowUtilities.getWindowScroll(this.options.parent);    

    var pageSize = WindowUtilities.getPageSize(this.options.parent);    

    if (typeof top == "undefined")

      top = (pageSize.windowHeight - (this.height + this.heightN + this.heightS))/2;

    top += windowScroll.top

    

    if (typeof left == "undefined")

      left = (pageSize.windowWidth - (this.width + this.widthW + this.widthE))/2;

    left += windowScroll.left      

    this.setLocation(top, left);

    this.toFront();

  },

  

  _recenter: function(event) {     

    if (this.centered) {

      var pageSize = WindowUtilities.getPageSize(this.options.parent);

      var windowScroll = WindowUtilities.getWindowScroll(this.options.parent);    



      // Check for this stupid IE that sends dumb events

      if (this.pageSize && this.pageSize.windowWidth == pageSize.windowWidth && this.pageSize.windowHeight == pageSize.windowHeight && 

          this.windowScroll.left == windowScroll.left && this.windowScroll.top == windowScroll.top) 

        return;

      this.pageSize = pageSize;

      this.windowScroll = windowScroll;

      // set height of Overlay to take up whole page and show

      if ($('overlay_modal')) 

        $('overlay_modal').setStyle({height: (pageSize.pageHeight + 'px')});

      

      if (this.options.recenterAuto)

        this._center(this.centerTop, this.centerLeft);    

    }

  },

  

  // Hides window

  hide: function() {

    this.visible = false;

    if (this.modal) {

      Windows.removeModalWindow(this);

      Windows.resetOverflow();

    }

    // To avoid bug on scrolling bar

    this.oldStyle = this.getContent().getStyle('overflow') || "auto"

    this.getContent().setStyle({overflow: "hidden"});



    this.options.hideEffect(this.element, this.options.hideEffectOptions);  



     if(this.iefix) 

      this.iefix.hide();



    if (!this.doNotNotifyHide)

      this._notify("onHide");

  },



  close: function() {

    // Asks closeCallback if exists

    if (this.visible) {

      if (this.options.closeCallback && ! this.options.closeCallback(this)) 

        return;



      if (this.options.destroyOnClose) {

        var destroyFunc = this.destroy.bind(this);

        if (this.options.hideEffectOptions.afterFinish) {

          var func = this.options.hideEffectOptions.afterFinish;

          this.options.hideEffectOptions.afterFinish = function() {func();destroyFunc() }

        }

        else 

          this.options.hideEffectOptions.afterFinish = function() {destroyFunc() }

      }

      Windows.updateFocusedWindow();

      

      this.doNotNotifyHide = true;

      this.hide();

      this.doNotNotifyHide = false;

      this._notify("onClose");

    }

  },

  

  minimize: function() {

    if (this.resizing)

      return;

    

    var r2 = $(this.getId() + "_row2");

    

    if (!this.minimized) {

      this.minimized = true;



      var dh = r2.getDimensions().height;

      this.r2Height = dh;

      var h  = this.element.getHeight() - dh;



      if (this.useLeft && this.useTop && Window.hasEffectLib && Effect.ResizeWindow) {

        new Effect.ResizeWindow(this, null, null, null, this.height -dh, {duration: Window.resizeEffectDuration});

      } else  {

        this.height -= dh;

        this.element.setStyle({height: h + "px"});

        r2.hide();

      }



      if (! this.useTop) {

        var bottom = parseFloat(this.element.getStyle('bottom'));

        this.element.setStyle({bottom: (bottom + dh) + 'px'});

      }

    } 

    else {      

      this.minimized = false;

      

      var dh = this.r2Height;

      this.r2Height = null;

      if (this.useLeft && this.useTop && Window.hasEffectLib && Effect.ResizeWindow) {

        new Effect.ResizeWindow(this, null, null, null, this.height + dh, {duration: Window.resizeEffectDuration});

      }

      else {

        var h  = this.element.getHeight() + dh;

        this.height += dh;

        this.element.setStyle({height: h + "px"})

        r2.show();

      }

      if (! this.useTop) {

        var bottom = parseFloat(this.element.getStyle('bottom'));

        this.element.setStyle({bottom: (bottom - dh) + 'px'});

      }

      this.toFront();

    }

    this._notify("onMinimize");

    

    // Store new location/size if need be

    this._saveCookie()

  },

  

  maximize: function() {

    if (this.isMinimized() || this.resizing)

      return;

  

    if (Prototype.Browser.IE && this.heightN == 0)

      this._getWindowBorderSize();

      

    if (this.storedLocation != null) {

      this._restoreLocation();

      if(this.iefix) 

        this.iefix.hide();

    }

    else {

      this._storeLocation();

      Windows.unsetOverflow(this);

      

      var windowScroll = WindowUtilities.getWindowScroll(this.options.parent);

      var pageSize = WindowUtilities.getPageSize(this.options.parent);    

      var left = windowScroll.left;

      var top = windowScroll.top;

      

      if (this.options.parent != document.body) {

        windowScroll =  {top:0, left:0, bottom:0, right:0};

        var dim = this.options.parent.getDimensions();

        pageSize.windowWidth = dim.width;

        pageSize.windowHeight = dim.height;

        top = 0; 

        left = 0;

      }

      

      if (this.constraint) {

        pageSize.windowWidth -= Math.max(0, this.constraintPad.left) + Math.max(0, this.constraintPad.right);

        pageSize.windowHeight -= Math.max(0, this.constraintPad.top) + Math.max(0, this.constraintPad.bottom);

        left +=  Math.max(0, this.constraintPad.left);

        top +=  Math.max(0, this.constraintPad.top);

      }

      

      var width = pageSize.windowWidth - this.widthW - this.widthE;

      var height= pageSize.windowHeight - this.heightN - this.heightS;



      if (this.useLeft && this.useTop && Window.hasEffectLib && Effect.ResizeWindow) {

        new Effect.ResizeWindow(this, top, left, width, height, {duration: Window.resizeEffectDuration});

      }

      else {

        this.setSize(width, height);

        this.element.setStyle(this.useLeft ? {left: left} : {right: left});

        this.element.setStyle(this.useTop ? {top: top} : {bottom: top});

      }

        

      this.toFront();

      if (this.iefix) 

        this._fixIEOverlapping(); 

    }

    this._notify("onMaximize");



    // Store new location/size if need be

    this._saveCookie()

  },

  

  isMinimized: function() {

    return this.minimized;

  },

  

  isMaximized: function() {

    return (this.storedLocation != null);

  },

  

  setOpacity: function(opacity) {

    if (Element.setOpacity)

      Element.setOpacity(this.element, opacity);

  },

  

  setZIndex: function(zindex) {

    this.element.setStyle({zIndex: zindex});

    Windows.updateZindex(zindex, this);

  },



  setTitle: function(newTitle) {

    if (!newTitle || newTitle == "") 

      newTitle = "&nbsp;";

      

    Element.update(this.element.id + '_top', newTitle);

  },

   

  getTitle: function() {

    return $(this.element.id + '_top').innerHTML;

  },

  

  setStatusBar: function(element) {

    var statusBar = $(this.getId() + "_bottom");



    if (typeof(element) == "object") {

      if (this.bottombar.firstChild)

        this.bottombar.replaceChild(element, this.bottombar.firstChild);

      else

        this.bottombar.appendChild(element);

    }

    else

      this.bottombar.innerHTML = element;

  },



  _checkIEOverlapping: function() {

    if(!this.iefix && (navigator.appVersion.indexOf('MSIE')>0) && (navigator.userAgent.indexOf('Opera')<0) && (this.element.getStyle('position')=='absolute')) {

        new Insertion.After(this.element.id, '<iframe id="' + this.element.id + '_iefix" '+ 'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' + 'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');

        this.iefix = $(this.element.id+'_iefix');

    }

    if(this.iefix) 

      setTimeout(this._fixIEOverlapping.bind(this), 50);

  },



  _fixIEOverlapping: function() {

      Position.clone(this.element, this.iefix);

      this.iefix.style.zIndex = this.element.style.zIndex - 1;

      this.iefix.show();

  },

  

  _getWindowBorderSize: function(event) {

    // Hack to get real window border size!!

    var div = this._createHiddenDiv(this.options.className + "_n")

    this.heightN = Element.getDimensions(div).height;    

    div.parentNode.removeChild(div)



    var div = this._createHiddenDiv(this.options.className + "_s")

    this.heightS = Element.getDimensions(div).height;    

    div.parentNode.removeChild(div)



    var div = this._createHiddenDiv(this.options.className + "_e")

    this.widthE = Element.getDimensions(div).width;    

    div.parentNode.removeChild(div)



    var div = this._createHiddenDiv(this.options.className + "_w")

    this.widthW = Element.getDimensions(div).width;

    div.parentNode.removeChild(div);

    

    var div = document.createElement("div");

    div.className = "overlay_" + this.options.className ;

    document.body.appendChild(div);

    //alert("no timeout:\nopacity: " + div.getStyle("opacity") + "\nwidth: " + document.defaultView.getComputedStyle(div, null).width);

    var that = this;

    

    // Workaround for Safari!!

    setTimeout(function() {that.overlayOpacity = ($(div).getStyle("opacity")); div.parentNode.removeChild(div);}, 10);

    

    // Workaround for IE!!

    if (Prototype.Browser.IE) {

      this.heightS = $(this.getId() +"_row3").getDimensions().height;

      this.heightN = $(this.getId() +"_row1").getDimensions().height;

    }



    // Safari size fix

    if (Prototype.Browser.WebKit && Prototype.Browser.WebKitVersion < 420)

      this.setSize(this.width, this.height);

    if (this.doMaximize)

      this.maximize();

    if (this.doMinimize)

      this.minimize();

  },

 

  _createHiddenDiv: function(className) {

    var objBody = document.body;

    var win = document.createElement("div");

    win.setAttribute('id', this.element.id+ "_tmp");

    win.className = className;

    win.style.display = 'none';

    win.innerHTML = '';

    objBody.insertBefore(win, objBody.firstChild);

    return win;

  },

  

  _storeLocation: function() {

    if (this.storedLocation == null) {

      this.storedLocation = {useTop: this.useTop, useLeft: this.useLeft, 

                             top: this.element.getStyle('top'), bottom: this.element.getStyle('bottom'),

                             left: this.element.getStyle('left'), right: this.element.getStyle('right'),

                             width: this.width, height: this.height };

    }

  },

  

  _restoreLocation: function() {

    if (this.storedLocation != null) {

      this.useLeft = this.storedLocation.useLeft;

      this.useTop = this.storedLocation.useTop;

      

      if (this.useLeft && this.useTop && Window.hasEffectLib && Effect.ResizeWindow)

        new Effect.ResizeWindow(this, this.storedLocation.top, this.storedLocation.left, this.storedLocation.width, this.storedLocation.height, {duration: Window.resizeEffectDuration});

      else {

        this.element.setStyle(this.useLeft ? {left: this.storedLocation.left} : {right: this.storedLocation.right});

        this.element.setStyle(this.useTop ? {top: this.storedLocation.top} : {bottom: this.storedLocation.bottom});

        this.setSize(this.storedLocation.width, this.storedLocation.height);

      }

      

      Windows.resetOverflow();

      this._removeStoreLocation();

    }

  },

  

  _removeStoreLocation: function() {

    this.storedLocation = null;

  },

  

  _saveCookie: function() {

    if (this.cookie) {

      var value = "";

      if (this.useLeft)

        value += "l:" +  (this.storedLocation ? this.storedLocation.left : this.element.getStyle('left'))

      else

        value += "r:" + (this.storedLocation ? this.storedLocation.right : this.element.getStyle('right'))

      if (this.useTop)

        value += ",t:" + (this.storedLocation ? this.storedLocation.top : this.element.getStyle('top'))

      else

        value += ",b:" + (this.storedLocation ? this.storedLocation.bottom :this.element.getStyle('bottom'))

        

      value += "," + (this.storedLocation ? this.storedLocation.width : this.width);

      value += "," + (this.storedLocation ? this.storedLocation.height : this.height);

      value += "," + this.isMinimized();

      value += "," + this.isMaximized();

      WindowUtilities.setCookie(value, this.cookie)

    }

  },

  

  _createWiredElement: function() {

    if (! this.wiredElement) {

      if (Prototype.Browser.IE)

        this._getWindowBorderSize();

      var div = document.createElement("div");

      div.className = "wired_frame " + this.options.className + "_wired_frame";

      

      div.style.position = 'absolute';

      this.options.parent.insertBefore(div, this.options.parent.firstChild);

      this.wiredElement = $(div);

    }

    if (this.useLeft) 

      this.wiredElement.setStyle({left: this.element.getStyle('left')});

    else 

      this.wiredElement.setStyle({right: this.element.getStyle('right')});

      

    if (this.useTop) 

      this.wiredElement.setStyle({top: this.element.getStyle('top')});

    else 

      this.wiredElement.setStyle({bottom: this.element.getStyle('bottom')});



    var dim = this.element.getDimensions();

    this.wiredElement.setStyle({width: dim.width + "px", height: dim.height +"px"});



    this.wiredElement.setStyle({zIndex: Windows.maxZIndex+30});

    return this.wiredElement;

  },

  

  _hideWiredElement: function() {

    if (! this.wiredElement || ! this.currentDrag)

      return;

    if (this.currentDrag == this.element) 

      this.currentDrag = null;

    else {

      if (this.useLeft) 

        this.element.setStyle({left: this.currentDrag.getStyle('left')});

      else 

        this.element.setStyle({right: this.currentDrag.getStyle('right')});



      if (this.useTop) 

        this.element.setStyle({top: this.currentDrag.getStyle('top')});

      else 

        this.element.setStyle({bottom: this.currentDrag.getStyle('bottom')});



      this.currentDrag.hide();

      this.currentDrag = null;

      if (this.doResize)

        this.setSize(this.width, this.height);

    } 

  },

  

  _notify: function(eventName) {

    if (this.options[eventName])

      this.options[eventName](this);

    else

      Windows.notify(eventName, this);

  }

};



// Windows containers, register all page windows

var Windows = {

  windows: [],

  modalWindows: [],

  observers: [],

  focusedWindow: null,

  maxZIndex: 0,

  overlayShowEffectOptions: {duration: 0.5},

  overlayHideEffectOptions: {duration: 0.5},



  addObserver: function(observer) {

    this.removeObserver(observer);

    this.observers.push(observer);

  },

  

  removeObserver: function(observer) {  

    this.observers = this.observers.reject( function(o) { return o==observer });

  },

  

  // onDestroy onStartResize onStartMove onResize onMove onEndResize onEndMove onFocus onBlur onBeforeShow onShow onHide onMinimize onMaximize onClose

  notify: function(eventName, win) {  

    this.observers.each( function(o) {if(o[eventName]) o[eventName](eventName, win);});

  },



  // Gets window from its id

  getWindow: function(id) {

    return this.windows.detect(function(d) { return d.getId() ==id });

  },



  // Gets the last focused window

  getFocusedWindow: function() {

    return this.focusedWindow;

  },



  updateFocusedWindow: function() {

    this.focusedWindow = this.windows.length >=2 ? this.windows[this.windows.length-2] : null;    

  },

  

  // Registers a new window (called by Windows constructor)

  register: function(win) {

    this.windows.push(win);

  },

    

  // Add a modal window in the stack

  addModalWindow: function(win) {

    // Disable screen if first modal window

    if (this.modalWindows.length == 0) {

      WindowUtilities.disableScreen(win.options.className, 'overlay_modal', win.overlayOpacity, win.getId(), win.options.parent);

    }

    else {

      // Move overlay over all windows

      if (Window.keepMultiModalWindow) {

        $('overlay_modal').style.zIndex = Windows.maxZIndex + 1;

        Windows.maxZIndex += 1;

        WindowUtilities._hideSelect(this.modalWindows.last().getId());

      }

      // Hide current modal window

      else

        this.modalWindows.last().element.hide();

      // Fucking IE select issue

      WindowUtilities._showSelect(win.getId());

    }      

    this.modalWindows.push(win);    

  },

  

  removeModalWindow: function(win) {

    this.modalWindows.pop();

    

    // No more modal windows

    if (this.modalWindows.length == 0)

      WindowUtilities.enableScreen();     

    else {

      if (Window.keepMultiModalWindow) {

        this.modalWindows.last().toFront();

        WindowUtilities._showSelect(this.modalWindows.last().getId());        

      }

      else

        this.modalWindows.last().element.show();

    }

  },

  

  // Registers a new window (called by Windows constructor)

  register: function(win) {

    this.windows.push(win);

  },

  

  // Unregisters a window (called by Windows destructor)

  unregister: function(win) {

    this.windows = this.windows.reject(function(d) { return d==win });

  }, 

  

  // Closes all windows

  closeAll: function() {  

    this.windows.each( function(w) {Windows.close(w.getId())} );

  },

  

  closeAllModalWindows: function() {

    WindowUtilities.enableScreen();     

    this.modalWindows.each( function(win) {if (win) win.close()});    

  },



  // Minimizes a window with its id

  minimize: function(id, event) {

    var win = this.getWindow(id)

    if (win && win.visible)

      win.minimize();

    Event.stop(event);

  },

  

  // Maximizes a window with its id

  maximize: function(id, event) {

    var win = this.getWindow(id)

    if (win && win.visible)

      win.maximize();

    Event.stop(event);

  },



  // Closes a window with its id

  close: function(id, event) {

    var win = this.getWindow(id);

    if (win) 

      win.close();

    if (event)

      Event.stop(event);

  },

  

  blur: function(id) {

    var win = this.getWindow(id);  

    if (!win)

      return;

    if (win.options.blurClassName)

      win.changeClassName(win.options.blurClassName);

    if (this.focusedWindow == win)  

      this.focusedWindow = null;

    win._notify("onBlur");  

  },

  

  focus: function(id) {

    var win = this.getWindow(id);  

    if (!win)

      return;       

    if (this.focusedWindow)

      this.blur(this.focusedWindow.getId())



    if (win.options.focusClassName)

      win.changeClassName(win.options.focusClassName);  

    this.focusedWindow = win;

    win._notify("onFocus");

  },

  

  unsetOverflow: function(except) {    

    this.windows.each(function(d) { d.oldOverflow = d.getContent().getStyle("overflow") || "auto" ; d.getContent().setStyle({overflow: "hidden"}) });

    if (except && except.oldOverflow)

      except.getContent().setStyle({overflow: except.oldOverflow});

  },



  resetOverflow: function() {

    this.windows.each(function(d) { if (d.oldOverflow) d.getContent().setStyle({overflow: d.oldOverflow}) });

  },



  updateZindex: function(zindex, win) { 

    if (zindex > this.maxZIndex) {   

      this.maxZIndex = zindex;    

      if (this.focusedWindow) 

        this.blur(this.focusedWindow.getId())

    }

    this.focusedWindow = win;

    if (this.focusedWindow) 

      this.focus(this.focusedWindow.getId())

  }

};



var Dialog = {

  dialogId: null,

  onCompleteFunc: null,

  callFunc: null, 

  parameters: null, 

    

  confirm: function(content, parameters) {

    // Get Ajax return before

    if (content && typeof content != "string") {

      Dialog._runAjaxRequest(content, parameters, Dialog.confirm);

      return 

    }

    content = content || "";

    

    parameters = parameters || {};

    var okLabel = parameters.okLabel ? parameters.okLabel : "Ok";

    var cancelLabel = parameters.cancelLabel ? parameters.cancelLabel : "Cancel";



    // Backward compatibility

    parameters = Object.extend(parameters, parameters.windowParameters || {});

    parameters.windowParameters = parameters.windowParameters || {};



    parameters.className = parameters.className || "alert";



    var okButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " ok_button'" 

    var cancelButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " cancel_button'" 

    var content = "\

      <div class='" + parameters.className + "_message'>" + content  + "</div>\

        <div class='" + parameters.className + "_buttons'>\

          <input type='button' value='" + okLabel + "' onclick='Dialog.okCallback()' " + okButtonClass + "/>\

          <input type='button' value='" + cancelLabel + "' onclick='Dialog.cancelCallback()' " + cancelButtonClass + "/>\

        </div>\

    ";

    return this._openDialog(content, parameters)

  },

  

  alert: function(content, parameters) {

    // Get Ajax return before

    if (content && typeof content != "string") {

      Dialog._runAjaxRequest(content, parameters, Dialog.alert);

      return 

    }

    content = content || "";

    

    parameters = parameters || {};

    var okLabel = parameters.okLabel ? parameters.okLabel : "Ok";



    // Backward compatibility    

    parameters = Object.extend(parameters, parameters.windowParameters || {});

    parameters.windowParameters = parameters.windowParameters || {};

    

    parameters.className = parameters.className || "alert";

    

    var okButtonClass = "class ='" + (parameters.buttonClass ? parameters.buttonClass + " " : "") + " ok_button'" 

    var content = "\

      <div class='" + parameters.className + "_message'>" + content  + "</div>\

        <div class='" + parameters.className + "_buttons'>\

          <input type='button' value='" + okLabel + "' onclick='Dialog.okCallback()' " + okButtonClass + "/>\

        </div>";                  

    return this._openDialog(content, parameters)

  },

  

  info: function(content, parameters) {   

    // Get Ajax return before

    if (content && typeof content != "string") {

      Dialog._runAjaxRequest(content, parameters, Dialog.info);

      return 

    }

    content = content || "";

     

    // Backward compatibility

    parameters = parameters || {};

    parameters = Object.extend(parameters, parameters.windowParameters || {});

    parameters.windowParameters = parameters.windowParameters || {};

    

    parameters.className = parameters.className || "alert";

    

    var content = "<div id='modal_dialog_message' class='" + parameters.className + "_message'>" + content  + "</div>";

    if (parameters.showProgress)

      content += "<div id='modal_dialog_progress' class='" + parameters.className + "_progress'>  </div>";



    parameters.ok = null;

    parameters.cancel = null;

    

    return this._openDialog(content, parameters)

  },

  

  setInfoMessage: function(message) {

    $('modal_dialog_message').update(message);

  },

  

  closeInfo: function() {

    Windows.close(this.dialogId);

  },

  

  _openDialog: function(content, parameters) {

    var className = parameters.className;

    

    if (! parameters.height && ! parameters.width) {

      parameters.width = WindowUtilities.getPageSize(parameters.options.parent || document.body).pageWidth / 2;

    }

    if (parameters.id)

      this.dialogId = parameters.id;

    else { 

      var t = new Date();

      this.dialogId = 'modal_dialog_' + t.getTime();

      parameters.id = this.dialogId;

    }



    // compute height or width if need be

    if (! parameters.height || ! parameters.width) {

      var size = WindowUtilities._computeSize(content, this.dialogId, parameters.width, parameters.height, 5, className)

      if (parameters.height)

        parameters.width = size + 5

      else

        parameters.height = size + 5

    }

    parameters.effectOptions = parameters.effectOptions ;

    parameters.resizable   = parameters.resizable || false;

    parameters.minimizable = parameters.minimizable || false;

    parameters.maximizable = parameters.maximizable ||  false;

    parameters.draggable   = parameters.draggable || false;

    parameters.closable    = parameters.closable || false;

    

    var win = new Window(parameters);

    win.getContent().innerHTML = content;

    

    win.showCenter(true, parameters.top, parameters.left);  

    win.setDestroyOnClose();

    

    win.cancelCallback = parameters.onCancel || parameters.cancel; 

    win.okCallback = parameters.onOk || parameters.ok;

    

    return win;    

  },

  

  _getAjaxContent: function(originalRequest)  {

      Dialog.callFunc(originalRequest.responseText, Dialog.parameters)

  },

  

  _runAjaxRequest: function(message, parameters, callFunc) {

    if (message.options == null)

      message.options = {}  

    Dialog.onCompleteFunc = message.options.onComplete;

    Dialog.parameters = parameters;

    Dialog.callFunc = callFunc;

    

    message.options.onComplete = Dialog._getAjaxContent;

    new Ajax.Request(message.url, message.options);

  },

  

  okCallback: function() {

    var win = Windows.focusedWindow;

    if (!win.okCallback || win.okCallback(win)) {

      // Remove onclick on button

      $$("#" + win.getId()+" input").each(function(element) {element.onclick=null;})

      win.close();

    }

  },



  cancelCallback: function() {

    var win = Windows.focusedWindow;

    // Remove onclick on button

    $$("#" + win.getId()+" input").each(function(element) {element.onclick=null})

    win.close();

    if (win.cancelCallback)

      win.cancelCallback(win);

  }

}

/*

  Based on Lightbox JS: Fullsize Image Overlays 

  by Lokesh Dhakar - http://www.huddletogether.com



  For more information on this script, visit:

  http://huddletogether.com/projects/lightbox/



  Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/

  (basically, do anything you want, just leave my name and link)

*/



if (Prototype.Browser.WebKit) {

  var array = navigator.userAgent.match(new RegExp(/AppleWebKit\/([\d\.\+]*)/));

  Prototype.Browser.WebKitVersion = parseFloat(array[1]);

}



var WindowUtilities = {  

  // From dragdrop.js

  getWindowScroll: function(parent) {

    var T, L, W, H;

    parent = parent || document.body;              

    if (parent != document.body) {

      T = parent.scrollTop;

      L = parent.scrollLeft;

      W = parent.scrollWidth;

      H = parent.scrollHeight;

    } 

    else {

      var w = window;

      with (w.document) {

        if (w.document.documentElement && documentElement.scrollTop) {

          T = documentElement.scrollTop;

          L = documentElement.scrollLeft;

        } else if (w.document.body) {

          T = body.scrollTop;

          L = body.scrollLeft;

        }

        if (w.innerWidth) {

          W = w.innerWidth;

          H = w.innerHeight;

        } else if (w.document.documentElement && documentElement.clientWidth) {

          W = documentElement.clientWidth;

          H = documentElement.clientHeight;

        } else {

          W = body.offsetWidth;

          H = body.offsetHeight

        }

      }

    }

    return { top: T, left: L, width: W, height: H };

  }, 

  //

  // getPageSize()

  // Returns array with page width, height and window width, height

  // Core code from - quirksmode.org

  // Edit for Firefox by pHaez

  //

  getPageSize: function(parent){

    parent = parent || document.body;              

    var windowWidth, windowHeight;

    var pageHeight, pageWidth;

    if (parent != document.body) {

      windowWidth = parent.getWidth();

      windowHeight = parent.getHeight();                                

      pageWidth = parent.scrollWidth;

      pageHeight = parent.scrollHeight;                                

    } 

    else {

      var xScroll, yScroll;



      if (window.innerHeight && window.scrollMaxY) {  

        xScroll = document.body.scrollWidth;

        yScroll = window.innerHeight + window.scrollMaxY;

      } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac

        xScroll = document.body.scrollWidth;

        yScroll = document.body.scrollHeight;

      } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari

        xScroll = document.body.offsetWidth;

        yScroll = document.body.offsetHeight;

      }





      if (self.innerHeight) {  // all except Explorer

        windowWidth = self.innerWidth;

        windowHeight = self.innerHeight;

      } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode

        windowWidth = document.documentElement.clientWidth;

        windowHeight = document.documentElement.clientHeight;

      } else if (document.body) { // other Explorers

        windowWidth = document.body.clientWidth;

        windowHeight = document.body.clientHeight;

      }  



      // for small pages with total height less then height of the viewport

      if(yScroll < windowHeight){

        pageHeight = windowHeight;

      } else { 

        pageHeight = yScroll;

      }



      // for small pages with total width less then width of the viewport

      if(xScroll < windowWidth){  

        pageWidth = windowWidth;

      } else {

        pageWidth = xScroll;

      }

    }             

    return {pageWidth: pageWidth ,pageHeight: pageHeight , windowWidth: windowWidth, windowHeight: windowHeight};

  },



  disableScreen: function(className, overlayId, overlayOpacity, contentId, parent) {

    WindowUtilities.initLightbox(overlayId, className, function() {this._disableScreen(className, overlayId, overlayOpacity, contentId)}.bind(this), parent || document.body);

  },



  _disableScreen: function(className, overlayId, overlayOpacity, contentId) {

    // prep objects

    var objOverlay = $(overlayId);



    var pageSize = WindowUtilities.getPageSize(objOverlay.parentNode);



    // Hide select boxes as they will 'peek' through the image in IE, store old value

    if (contentId && Prototype.Browser.IE) {

      WindowUtilities._hideSelect();

      WindowUtilities._showSelect(contentId);

    }  

  

    // set height of Overlay to take up whole page and show

    objOverlay.style.height = (pageSize.pageHeight + 'px');

    objOverlay.style.display = 'none'; 

    if (overlayId == "overlay_modal" && Window.hasEffectLib && Windows.overlayShowEffectOptions) {

      objOverlay.overlayOpacity = overlayOpacity;

      new Effect.Appear(objOverlay, Object.extend({from: 0, to: overlayOpacity}, Windows.overlayShowEffectOptions));

    }

    else

      objOverlay.style.display = "block";

  },

  

  enableScreen: function(id) {

    id = id || 'overlay_modal';

    var objOverlay =  $(id);

    if (objOverlay) {

      // hide lightbox and overlay

      if (id == "overlay_modal" && Window.hasEffectLib && Windows.overlayHideEffectOptions)

        new Effect.Fade(objOverlay, Object.extend({from: objOverlay.overlayOpacity, to:0}, Windows.overlayHideEffectOptions));

      else {

        objOverlay.style.display = 'none';

        objOverlay.parentNode.removeChild(objOverlay);

      }

      

      // make select boxes visible using old value

      if (id != "__invisible__") 

        WindowUtilities._showSelect();

    }

  },



  _hideSelect: function(id) {

    if (Prototype.Browser.IE) {

      id = id ==  null ? "" : "#" + id + " ";

      $$(id + 'select').each(function(element) {

        if (! WindowUtilities.isDefined(element.oldVisibility)) {

          element.oldVisibility = element.style.visibility ? element.style.visibility : "visible";

          element.style.visibility = "hidden";

        }

      });

    }

  },

  

  _showSelect: function(id) {

    if (Prototype.Browser.IE) {

      id = id ==  null ? "" : "#" + id + " ";

      $$(id + 'select').each(function(element) {

        if (WindowUtilities.isDefined(element.oldVisibility)) {

          // Why?? Ask IE

          try {

            element.style.visibility = element.oldVisibility;

          } catch(e) {

            element.style.visibility = "visible";

          }

          element.oldVisibility = null;

        }

        else {

          if (element.style.visibility)

            element.style.visibility = "visible";

        }

      });

    }

  },



  isDefined: function(object) {

    return typeof(object) != "undefined" && object != null;

  },

  

  // initLightbox()

  // Function runs on window load, going through link tags looking for rel="lightbox".

  // These links receive onclick events that enable the lightbox display for their targets.

  // The function also inserts html markup at the top of the page which will be used as a

  // container for the overlay pattern and the inline image.

  initLightbox: function(id, className, doneHandler, parent) {

    // Already done, just update zIndex

    if ($(id)) {

      Element.setStyle(id, {zIndex: Windows.maxZIndex + 1});

      Windows.maxZIndex++;

      doneHandler();

    }

    // create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)

    else {

      var objOverlay = document.createElement("div");

      objOverlay.setAttribute('id', id);

      objOverlay.className = "overlay_" + className

      objOverlay.style.display = 'none';

      objOverlay.style.position = 'absolute';

      objOverlay.style.top = '0';

      objOverlay.style.left = '0';

      objOverlay.style.zIndex = Windows.maxZIndex + 1;

      Windows.maxZIndex++;

      objOverlay.style.width = '100%';

      parent.insertBefore(objOverlay, parent.firstChild);

      if (Prototype.Browser.WebKit && id == "overlay_modal") {

        setTimeout(function() {doneHandler()}, 10);

      }

      else

        doneHandler();

    }    

  },

  

  setCookie: function(value, parameters) {

    document.cookie= parameters[0] + "=" + escape(value) +

      ((parameters[1]) ? "; expires=" + parameters[1].toGMTString() : "") +

      ((parameters[2]) ? "; path=" + parameters[2] : "") +

      ((parameters[3]) ? "; domain=" + parameters[3] : "") +

      ((parameters[4]) ? "; secure" : "");

  },



  getCookie: function(name) {

    var dc = document.cookie;

    var prefix = name + "=";

    var begin = dc.indexOf("; " + prefix);

    if (begin == -1) {

      begin = dc.indexOf(prefix);

      if (begin != 0) return null;

    } else {

      begin += 2;

    }

    var end = document.cookie.indexOf(";", begin);

    if (end == -1) {

      end = dc.length;

    }

    return unescape(dc.substring(begin + prefix.length, end));

  },

    

  _computeSize: function(content, id, width, height, margin, className) {

    var objBody = document.body;

    var tmpObj = document.createElement("div");

    tmpObj.setAttribute('id', id);

    tmpObj.className = className + "_content";



    if (height)

      tmpObj.style.height = height + "px"

    else

      tmpObj.style.width = width + "px"

  

    tmpObj.style.position = 'absolute';

    tmpObj.style.top = '0';

    tmpObj.style.left = '0';

    tmpObj.style.display = 'none';



    tmpObj.innerHTML = content;

    objBody.insertBefore(tmpObj, objBody.firstChild);



    var size;

    if (height)

      size = $(tmpObj).getDimensions().width + margin;

    else

      size = $(tmpObj).getDimensions().height + margin;

    objBody.removeChild(tmpObj);

    return size;

  }  

}



