//PageEx.js

/*                     Browser Detection                        */
var ie=false;
var opera=false;
var firefox=false;
var isIE=false;


var browserDetect = {
	init: function () 
	{
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)|| this.searchVersion(navigator.appVersion)|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
		switch (this.browser) {
		case "Opera":
			opera=true; 
			break;
		case "Firefox":
			firefox=true;
			break;
		case "Explorer":
			ie=true;
			isIE=true;
			break;
		default:
			ie=true;
			break;
		}
	},
	searchString: function (data) 
	{
		for (var i=0;i<data.length;i++) {
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			} else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) 
	{
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
				 {   string: navigator.userAgent,
					 subString: "OmniWeb",
					 versionSearch: "OmniWeb/",
					 identity: "OmniWeb"
				 },
				 {
					 string: navigator.vendor,
					 subString: "Apple",
					 identity: "Safari"
				 },
				 {
					 prop: window.opera,
					 identity: "Opera"
				 },
				 {
					 string: navigator.vendor,
					 subString: "iCab",
					 identity: "iCab"
				 },
				 {
					 string: navigator.vendor,
					 subString: "KDE",
					 identity: "Konqueror"
				 },
				 {
					 string: navigator.userAgent,
					 subString: "Firefox",
					 identity: "Firefox"
				 },
				 {
					 string: navigator.vendor,
					 subString: "Camino",
					 identity: "Camino"
				 },
				 {		 // for newer Netscapes (6+)
					 string: navigator.userAgent,
					 subString: "Netscape",
					 identity: "Netscape"
				 },
				 {
					 string: navigator.userAgent,
					 subString: "MSIE",
					 identity: "Explorer",
					 versionSearch: "MSIE"
				 },
				 {
					 string: navigator.userAgent,
					 subString: "Gecko",
					 identity: "Mozilla",
					 versionSearch: "rv"
				 },
				 {		 // for older Netscapes (4-)
					 string: navigator.userAgent,
					 subString: "Mozilla",
					 identity: "Netscape",
					 versionSearch: "Mozilla"
				 }
				 ],
	dataOS : [
			 {
				 string: navigator.platform,
				 subString: "Win",
				 identity: "Windows"
			 },
			 {
				 string: navigator.platform,
				 subString: "Mac",
				 identity: "Mac"
			 },
			 {
				 string: navigator.platform,
				 subString: "Linux",
				 identity: "Linux"
			 }
			 ]

};
browserDetect.init();



/*               Cookie Managment Functions                                  */


// this function gets the cookie, if it exists
function Get_Cookie( name ) 
{
	
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

/*
only the first 2 parameters are required, the cookie name, the cookie
value. Cookie time is in milliseconds, so the below expires will make the 
number you pass in the Set_Cookie function call the number of days the cookie
lasts, if you want it to be hours or minutes, just get rid of 24 and 60.

Generally you don't need to worry about domain, path or secure for most applications
so unless you need that, leave those parameters blank in the function call.
*/
function Set_Cookie( name, value, expires, path, domain, secure ) 
{
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );
	// if the expires variable is set, make the correct expires time, the
	// current script below will set it for x number of days, to make it
	// for hours, delete * 24, for minutes, delete * 60 * 24
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	//alert( 'today ' + today.toGMTString() );// this is for testing purpose only
	var expires_date = new Date( today.getTime() + (expires) );
	//alert('expires ' + expires_date.toGMTString());// this is for testing purposes only
	var cookieString=name + "=" +escape( value ) +
					 ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + //expires.toGMTString()
					 ( ( path ) ? ";path=" + path : "" ) + 
					 ( ( domain ) ? ";domain=" + domain : "" ) +
					 ( ( secure ) ? ";secure" : "" );
	
	document.cookie = cookieString;
}

// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) 
{
	if ( Get_Cookie( name ) ) document.cookie = name + "=" +
												( ( path ) ? ";path=" + path : "") +
												( ( domain ) ? ";domain=" + domain : "" ) +
												";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}



/********************************   COMMON *******************************************/

function getScrollableAreas()
{
  var result=$$('div[class="scrollable"]', 'div[class="pageScroll"]');
  result[result.length]=document;
  return result;
}


function AlphaRender()
{
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])

	if ( !(version >= 5.5 && document.body.filters) )
		return;

	for (var i=0; i<document.images.length; i++) {
		var img = document.images[i]
		var imgName = img.src.toUpperCase()

		if (imgName.substring(imgName.length-3, imgName.length) == "PNG") {
			alphaFixPngImg(img);
			i = i-1;
		}
	}

}

function alphaFixPngImg(img)
{     
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])

	if ( !(version >= 5.5 && document.body.filters) )
		return;

	var imgID = (img.id) ? "id='" + img.id + "' " : ""
	var imgClass = (img.className) ? "class='" + img.className + "' " : ""
	var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
	var imgStyle = "display:inline-block;" + img.style.cssText 
	if (img.align == "left") imgStyle = "float:left;" + imgStyle
	if (img.align == "right") imgStyle = "float:right;" + imgStyle
	if (img.parentElement.href)	imgStyle = "cursor:hand;" + imgStyle
	var strNewHTML = "<span " + imgID + imgClass + imgTitle
	+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
	+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
	+ "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
	img.outerHTML = strNewHTML
}

function findElements(elements,tagName,type, partId)
{
	var result = new Array();
	for (var i = 0; i < elements.length; i++) {
		var obj = elements[i];
		
		if (tagName != null && obj.tagName.toLowerCase() != tagName.toLowerCase())
			continue;
		if (type!=null && obj.type.toLowerCase() != type.toLowerCase())
			continue;
		if (partId != null && obj.id.indexOf(partId) == -1)
			continue;

		result[result.length]=obj;
	}
	return result;
}
/************************************ EVENTS ****************************************/
function addEvent(obj,eventName,fn,useCapture)
{

	if (obj==null)	return false;

	if (obj.addEventListener) {
		obj.addEventListener(eventName,fn,useCapture);
		return true;
	} else if (obj.attachEvent) {
		obj.attachEvent('on' + eventName,fn);
		return true;
	}
	return false;
}

function fireCustomEvent(fireOnThis,eventName)
{
	if ( document.createEvent ) {
		var evt = document.createEvent("Events"); 
		evt.initEvent(eventName, true, false); 
		fireOnThis.dispatchEvent(evt);  
	} else if ( document.createEventObject ) {
		var e=document.createEventObject();
		e.srcElement =fireOnThis;
		eval(eventName + "Obj.fireEvent(eventName,e );");
	}
}

var EventHandlersArray = function()
{
	this.handlers= new Array();
}
EventHandlersArray.prototype.AddHandler = function(handler)
{ 
	this.handlers[this.handlers.length] = handler;
}
EventHandlersArray.prototype.Dispose = function(handler)
{ 
	this.handlers=null;
}
EventHandlersArray.prototype.FireEvent = function(obj)
{ 
	for (var i=0; i<this.handlers.length; i++)
		if (this.handlers[i] && typeof(this.handlers[i]) =="function")
			this.handlers[i](obj);
}


/*************************  POSITION *********************************/

function getposOffset(what, offsettype)
{
	var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
	var parentEl=what.offsetParent;
	while (parentEl!=null) {
		totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
}
// Return real top position	
function getTopPos(inputObj, parent)
{       
	var returnValue = inputObj.offsetTop;
	var parentEl=inputObj.offsetParent;
	while (parentEl != null && parent!=parentEl) {
		if (parentEl.tagName!='HTML')
			returnValue += parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return returnValue;
}

// Return real left position	
function getLeftPos(inputObj, parent)
{
	var returnValue = inputObj.offsetLeft;
	var parentEl=inputObj.offsetParent;
	while (parentEl != null && parent!=parentEl) {
		if (parentEl.tagName!='HTML')
			returnValue += parentEl.offsetLeft;
		parentEl=parentEl.offsetParent;
	}
	return returnValue;
}

function eventInBound(e, obj)
{
	var top=getTopPos(obj);
	var left=getLeftPos(obj);
	return(e.clientX >= left && e.clientX <=( left + obj.offsetWidth)  &&
		   e.clientY >= top && e.clientY <= ( top + obj.offsetHeight ) ) ;
}

// Class Querystring
function Querystring(qs) { 
	this.params = new Object()
	this.get=Querystring_get
	
	if (qs == null)
		qs=location.search.substring(1,location.search.length)

	if (qs.length == 0) return

// Turn <plus> back to <space>
// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
	qs = qs.replace(/\+/g, ' ')
	var args = qs.split('&') // parse out name/value pairs separated via &
	
// split out each name=value pair
	for (var i=0;i<args.length;i++) {
		var value;
		var pair = args[i].split('=')
		var name = unescape(pair[0])

		if (pair.length == 2)
			value = unescape(pair[1])
		else
			value = name
		
		this.params[name] = value
	}
}

function Querystring_get(key, default_) {
	// This silly looking line changes UNDEFINED to NULL
	if (default_ == null) default_ = null;
	
	var value=this.params[key]
	if (value==null) value=default_;
	
	return value
}


function InsertText(input, insertText)
{
     if (input.createTextRange)
     {
      input.focus(input.caretPos);
      input.caretPos = document.selection.createRange().duplicate();
      if(input.caretPos.text.length>0)
           input.caretPos.text =input.caretPos.text;
      else
         input.caretPos.text = insertText ;
     }
     else 
     {
     	var start=input.selectionStart;
	    var end =input.selectionEnd;
	    input.value=input.value.substring(0,start) + insertText +input.value.substring(end,input.textLength);
        input.selectionStart=input.selectionEnd=start + insertText.length;
        input.focus();
     }
}


// Class WAMUser Settings

var Settings = function(domain)
{
	this.keyCurrentURL  = "CurrentURL";
	this.keyPanelSelected  = "PanelSelected";
	this.keyPanelWidth     = "PanelWidth";
	this.keyPanelHeight     = "PanelHeight";
	this.keyPageScrollAreaHeight= "PageScrollAreaHeight";
	this.keyPageScrollAreaWidth= "PageScrollAreaWidth";
	this.keyFormScrollAreaHeight= "FormScrollAreaHeight";    
	this.panelManagerID    = "";
	this.pageLoadRequired  = true;
	this.domain=(domain==null) ? "/" : domain;
}

// Public Function
Settings.prototype.GetPageScrollAreaHeight = function()
{ return Get_Cookie(this.keyPageScrollAreaHeight);}

Settings.prototype.GetPanelSelected = function()
{ return Get_Cookie(this.keyPanelSelected);}

Settings.prototype.GetPanelWidth = function()
{return Get_Cookie(this.keyPanelWidth);}

Settings.prototype.GetPanelHeight = function()
{return Get_Cookie(this.keyPanelHeight);}

Settings.prototype.GetCurrentURL = function()
{return Get_Cookie(this.keyCurrentURL);}

Settings.prototype.SetCurrentURL = function(value)
{return Set_Cookie(this.keyCurrentURL,value,10,this.domain);}

Settings.prototype.SetFormScrollAreaHeight = function(value)
{return Set_Cookie(this.keyFormScrollAreaHeight,value,10,this.domain);}

Settings.prototype.SetPageScrollAreaHeight = function(value)
{return Set_Cookie(this.keyPageScrollAreaHeight,value,10,this.domain);}

Settings.prototype.SetPageScrollAreaWidth = function(value)
{return Set_Cookie(this.keyPageScrollAreaWidth,value,10,this.domain);}

Settings.prototype.SetPanelWidth = function(value)
{return Set_Cookie(this.keyPanelWidth,value,10,this.domain);}

Settings.prototype.SetPanelHeight = function(value)
{return Set_Cookie(this.keyPanelHeight,value,32,this.domain);}

/*                 END CLASS SETTINGS */

// String extenshion

Object.extend(String.prototype, {
lastIndexOfDelimeter: function(delim){
 var text=this;
 var pos=-1;
 for(var i=0; i<delim.length; i++)
   {
     var n=text.lastIndexOf(delim[i]);
     if(n>pos)  pos=n;
   }
 return pos;  
},
IndexOfDelimeter: function(delim)
{
 var pos=-1;
 var text=this;
 for(var i=0; i<delim.length; i++)
   {
     var n=text.indexOf(delim[i]);
     if(n!=-1 && (pos==-1 || pos>n))
       pos=n;
   }
 return pos;  
}
});


function removeElement(id)
{
	var elem = document.getElementById(id);
	while (elem!=null) {
		if(isIE)
			elem.removeNode(true);
		else
			elem.parentNode.removeChild(elem);
		elem = document.getElementById(id);
	}
}
function protectDiv(objDiv, id)
{
	if(!isIE)
		return;
	var ifr= document.createElement("iframe");
	ifr.id=id;
	ifr.style.position="absolute";
	ifr.style.width=objDiv.offsetWidth;
	ifr.style.height=objDiv.offsetHeight;
	ifr.style.top=objDiv.style.top;
	ifr.style.left=objDiv.style.left;
	ifr.style.zIndex=objDiv.style.zIndex - 1;
	ifr.style.display="block";
	objDiv.parentElement.appendChild(ifr);  

}

function LoadScript( url )
{document.write( '<script type="text/javascript" src="' + url + '" onerror="alert(\'Error loading \' + this.src);"><\/script>' ) ;}

function LoadCss( url )
{document.write( '<link href="' + url + '" type="text/css" rel="stylesheet" onerror="alert(\'Error loading \' + this.src);" />' ) ;}


addEvent(window,"load",AlphaRender,false);