//Chrome Drop Down Menu v2.01- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated: November 14th 06- added iframe shim technique

var cssdropdown={
disappeardelay: 250, //set delay in miliseconds before menu disappears onmouseout
disablemenuclick: true, //when user clicks on a menu item with a drop down menu, disable menu item's link?
enableswipe: 0, //enable swipe effect? 1 for yes, 0 for no
enableiframeshim: 1, //enable "iframe shim" technique to get drop down menus to correctly appear on top of controls such as form objects in IE5.5/IE6? 1 for yes, 0 for no

//No need to edit beyond here////////////////////////
dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, swipetimer: undefined, bottomclip:0,

getposOffset:function(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;
},

swipeeffect:function(){
if (this.bottomclip<parseInt(this.dropmenuobj.offsetHeight)){
this.bottomclip+=10+(this.bottomclip/10) //unclip drop down menu visibility gradually
this.dropmenuobj.style.clip="rect(0 auto "+this.bottomclip+"px 0)"
}
else
return
this.swipetimer=setTimeout("cssdropdown.swipeeffect()", 10)
},

showhide:function(obj, e){
if (this.ie || this.firefox)
this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
if (this.enableswipe==1){
if (typeof this.swipetimer!="undefined")
clearTimeout(this.swipetimer)
obj.clip="rect(0 auto 0 0)" //hide menu via clipping
this.bottomclip=0
this.swipeeffect()
}
obj.visibility="visible"
}
else if (e.type=="click")
obj.visibility="hidden"
},

iecompattest:function(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
},

clearbrowseredge:function(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=this.ie && !window.opera? this.iecompattest().scrollLeft+this.iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=this.ie && !window.opera? this.iecompattest().scrollTop : window.pageYOffset
var windowedge=this.ie && !window.opera? this.iecompattest().scrollTop+this.iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ //move up?
edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
},

dropit:function(obj, e, dropmenuID){
if (this.dropmenuobj!=null) //hide previous menu
this.dropmenuobj.style.visibility="hidden" //hide menu
this.clearhidemenu()
if (this.ie||this.firefox){
obj.onmouseout=function(){cssdropdown.delayhidemenu()}
obj.onclick=function(){return !cssdropdown.disablemenuclick} //disable main menu item link onclick?
this.dropmenuobj=document.getElementById(dropmenuID)
this.dropmenuobj.onmouseover=function(){cssdropdown.clearhidemenu()}
this.dropmenuobj.onmouseout=function(e){cssdropdown.dynamichide(e)}
this.dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
this.showhide(this.dropmenuobj.style, e)
this.dropmenuobj.x=this.getposOffset(obj, "left")
this.dropmenuobj.y=this.getposOffset(obj, "top")
this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
this.positionshim() //call iframe shim function
}
},

positionshim:function(){ //display iframe shim function
if (this.enableiframeshim && typeof this.shimobject!="undefined"){
if (this.dropmenuobj.style.visibility=="visible"){
this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
this.shimobject.style.left=this.dropmenuobj.style.left
this.shimobject.style.top=this.dropmenuobj.style.top
}
this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
}
},

hideshim:function(){
if (this.enableiframeshim && typeof this.shimobject!="undefined")
this.shimobject.style.display='none'
},

contains_firefox:function(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
},

dynamichide:function(e){
var evtobj=window.event? window.event : e
if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
this.delayhidemenu()
else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
this.delayhidemenu()
},

delayhidemenu:function(){
this.delayhide=setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'; cssdropdown.hideshim()",this.disappeardelay) //hide menu
},

clearhidemenu:function(){
if (this.delayhide!="undefined")
clearTimeout(this.delayhide)
},

startchrome:function(){
for (var ids=0; ids<arguments.length; ids++){
var menuitems=document.getElementById(arguments[ids]).getElementsByTagName("a")
for (var i=0; i<menuitems.length; i++){
if (menuitems[i].getAttribute("rel")){
var relvalue=menuitems[i].getAttribute("rel")
menuitems[i].onmouseover=function(e){
var event=typeof e!="undefined"? e : window.event
cssdropdown.dropit(this,event,this.getAttribute("rel"))
}
}
}
}
if (window.createPopup && !window.XmlHttpRequest){ //if IE5.5 to IE6, create iframe for iframe shim technique
document.write('<IFRAME id="iframeshim"  src="" style="display: none; left: 0; top: 0; z-index: 90; position: absolute; filter: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)" frameBorder="0" scrolling="no"></IFRAME>')
this.shimobject=document.getElementById("iframeshim") //reference iframe object
}
}

}

	var panelWidth = 500;	// Width of help panel	
	var slideSpeed = 25;		// Higher = quicker slide
	var slideTimer = 5;	// Lower = quicker slide
	var slideActive = true;	// Slide active ?
	var initBodyMargin = 0;	// Left or top margin of your <body> tag (left if panel is at the left, top if panel is on the top)
	var pushMainContentOnSlide = false;	// Push your main content to the right when sliding
	var panelPosition = 1; 	// 0 = left , 1 = top
	
	/*	Don't change these values */
	var slideLeftPanelObj=false;
	var slideInProgress = false;	
	var startScrollPos = false;
	var panelVisible = false;
	function initSlideLeftPanel(expandOnly)
	{
		if(slideInProgress)return;
		if(!slideLeftPanelObj){
			if(document.getElementById('dhtmlgoodies_leftPanel')){	// Object exists in HTML code?
				slideLeftPanelObj = document.getElementById('dhtmlgoodies_leftPanel');
				if(panelPosition == 1)slideLeftPanelObj.style.width = '100%';
			}else{	// Object doesn't exist -> Create <div> dynamically
				slideLeftPanelObj = document.createElement('DIV');
				slideLeftPanelObj.id = 'dhtmlgoodies_leftPanel';
				slideLeftPanelObj.style.display='none';
				document.body.appendChild(slideLeftPanelObj);
			}
			
			if(panelPosition == 1){
				slideLeftPanelObj.style.top = "-" + panelWidth + 'px';
				slideLeftPanelObj.style.left = '0px';	
				slideLeftPanelObj.style.height = panelWidth + 'px';			
			}else{
				slideLeftPanelObj.style.left = "-" + panelWidth + 'px';
				slideLeftPanelObj.style.top = '0px';
				slideLeftPanelObj.style.width = panelWidth + 'px';
			}
			

			if(!document.all || navigator.userAgent.indexOf('Opera')>=0)slideLeftPanelObj.style.position = 'fixed';;
		}	
		
		if(panelPosition == 0){
			if(document.documentElement.clientHeight){
				slideLeftPanelObj.style.height = document.documentElement.clientHeight + 'px';
			}else if(document.body.clientHeight){
				slideLeftPanelObj.style.height = document.body.clientHeight + 'px';
			}
			var leftPos = slideLeftPanelObj.style.left.replace(/[^0-9\-]/g,'')/1;
		}else{
			if(document.documentElement.clientWidth){
				slideLeftPanelObj.style.width = document.documentElement.clientWidth + 'px';
			}else if(document.body.clientHeight){
				slideLeftPanelObj.style.width = document.body.clientWidth + 'px';
			}
			var leftPos = slideLeftPanelObj.style.top.replace(/[^0-9\-]/g,'')/1;			
			
			
		}
		slideLeftPanelObj.style.display='block';
		
		if(panelPosition==1)
			startScrollPos = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
		else
			startScrollPos = Math.max(document.body.scrollLeft,document.documentElement.scrollLeft);
		if(leftPos<(0+startScrollPos)){
			if(slideActive){
				slideLeftPanel(slideSpeed);	
			
			}else{
				document.body.style.marginLeft = panelWidth + 'px';
				slideLeftPanelObj.style.left = '0px';
			}
		}else{
			if(expandOnly)return;
			if(slideActive){		
				slideLeftPanel(slideSpeed*-1);
			}else{
				if(panelPosition == 0){
					if(pushMainContentOnSlide)document.body.style.marginLeft =  initBodyMargin + 'px';
					slideLeftPanelObj.style.left = (panelWidth*-1) + 'px';	
				}else{
					if(pushMainContentOnSlide)document.body.style.marginTop =  initBodyMargin + 'px';
					slideLeftPanelObj.style.top = (panelWidth*-1) + 'px';						
				}			
			}
		}	
		
		if(navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('Opera')<0){
			window.onscroll = repositionHelpDiv;
		
			repositionHelpDiv();
		}
		window.onresize = resizeLeftPanel;
		
	}
	
	function resizeLeftPanel()
	{
		if(panelPosition == 0){
			if(document.documentElement.clientHeight){
				slideLeftPanelObj.style.height = document.documentElement.clientHeight + 'px';
			}else if(document.body.clientHeight){
				slideLeftPanelObj.style.height = document.body.clientHeight + 'px';
			}		
		}else{
			if(document.documentElement.clientWidth){
				slideLeftPanelObj.style.width = document.documentElement.clientWidth + 'px';
			}else if(document.body.clientWidth){
				slideLeftPanelObj.style.width = document.body.clientWidth + 'px';
			}	
		}
	}
	
	function slideLeftPanel(slideSpeed){
		slideInProgress =true;
		var scrollValue = 0;
		if(panelPosition==1)
			var leftPos = slideLeftPanelObj.style.top.replace(/[^0-9\-]/g,'')/1;
		else
			var leftPos = slideLeftPanelObj.style.left.replace(/[^0-9\-]/g,'')/1;
			
		leftPos+=slideSpeed;
		okToSlide = true;
		if(slideSpeed<0){
			if(leftPos < ((panelWidth*-1) + startScrollPos)){
				leftPos = (panelWidth*-1) + startScrollPos;	
				okToSlide=false;
			}
		}
		if(slideSpeed>0){
			if(leftPos > (0 + startScrollPos)){
				leftPos = 0 + startScrollPos;
				okToSlide = false;
			}			
		}
		
		
		if(panelPosition==0){
			slideLeftPanelObj.style.left = leftPos + startScrollPos + 'px';
			if(pushMainContentOnSlide)document.body.style.marginLeft = leftPos - startScrollPos + panelWidth + 'px';
		}else{
			slideLeftPanelObj.style.top = leftPos + 'px';
			if(pushMainContentOnSlide)document.body.style.marginTop = leftPos - startScrollPos + panelWidth + 'px';			
			
		}
		if(okToSlide)setTimeout('slideLeftPanel(' + slideSpeed + ')',slideTimer); else {
			slideInProgress = false;
			if(slideSpeed>0)panelVisible=true; else panelVisible = false;
		}
		
	}
	
	
	function repositionHelpDiv()
	{
		if(panelPosition==0){
			var maxValue = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
			slideLeftPanelObj.style.top = maxValue;
		}else{
			var maxValue = Math.max(document.body.scrollLeft,document.documentElement.scrollLeft);
			slideLeftPanelObj.style.left = maxValue;	
			var maxTop = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
			if(!slideInProgress)slideLeftPanelObj.style.top = (maxTop - (panelVisible?0:panelWidth)) + 'px'; 		
		}
	}
	
	function cancelEvent()
	{
		return false;
	}
	function keyboardShowLeftPanel()
	{
			initSlideLeftPanel();
			return false;	
	
	}
	
	function leftPanelKeyboardEvent(e)
	{
		if(document.all)return;
		
		if(e.keyCode==112){
			initSlideLeftPanel();
			return false;
		}		
	}
	
	function setLeftPanelContent(text)
	{
		document.getElementById('leftPanelContent').innerHTML = text;
		initSlideLeftPanel(true);
		
	}
	if(!document.all)document.documentElement.onkeypress = leftPanelKeyboardEvent;
	document.documentElement.onhelp  = keyboardShowLeftPanel;