// JavaScript Document// JavaScript Document
		function findChildren(obj,type,value) 
			{
			var children=obj.childNodes;
			var tmp=new Array();
			for (var i=0; i<children.length; i++) 
				{
				if (eval("children[i]."+type+"==\""+value+"\"")) tmp[tmp.length]=children[i];
				tmp=tmp.concat(findChildren(children[i],type,value));
				}
			return tmp;
			}
								
		function findParent(obj,type,value) 
			{
			var parent=obj.parentNode;
			var tmp=null;
			if (parent!=null)
				{
				if (eval("parent."+type+"==\""+value+"\"")) tmp=parent;
				else tmp=findParent(parent,type,value);
				}
			return tmp;
			} 
			
		function OpenFolder(obj) //obj must be LI. OpenFolder will open all parents too
			{
			if (document.getElementById(obj)!=null) obj=document.getElementById(obj);
			
			var afoldercontent=findChildren(obj,"tagName","UL");
			afoldercontent[0].style.display="";
			
			var i;
			var aicon=findChildren(obj,"tagName","IMG");
			for (i=0; i<aicon.length; i++)
				{
				if (aicon[i].className=="treeicon") aicon[i].src="images/minus.gif";
				break;
				}
			
			var parent=findParent(obj,"tagName","LI");
			while (parent!=null)
				{
				OpenFolder(parent);
				parent=findParent(parent,"tagName","LI");
				}
			}
			
		function CloseFolder(obj) //obj must be LI. CloseFolder will only close current tree.
			{
			if (document.getElementById(obj)!=null) obj=document.getElementById(obj);
			var afoldercontent=findChildren(obj,"tagName","UL");	
			afoldercontent[0].style.display="none";
			
			var i;
			var aicon=findChildren(obj,"tagName","IMG");
			for (i=0; i<aicon.length; i++)
				{
				if (aicon[i].className=="treeicon") aicon[i].src="images/plus.gif";
				break;
				}
			}
			
		function ToggleFolder(obj)
			{
			if (document.getElementById(obj)!=null) obj=document.getElementById(obj);
			if (obj.className!="treefolder") return false; 
			obj.blur();
			obj=findParent(obj,"tagName","LI");
			var afoldercontent=findChildren(obj,"tagName","UL");	
			if (afoldercontent[0].style.display=="none") OpenFolder(obj);
			else CloseFolder(obj);		
			}
			
		function ActivateItem(obj)
			{
			if (document.getElementById(obj)!=null) obj=document.getElementById(obj);
			if ((obj.className!="treeitem") && (obj.className!="treefolder")) return false; 
			
			if (obj.className=="treefolder")
				{
				var objli=findParent(obj,"tagName","LI");
				OpenFolder(objli);
				}
			
			if (obj.className=="treeitem")
				{
				var objli=findParent(obj,"tagName","LI");
				objli=findParent(objli,"tagName","LI");
				OpenFolder(objli);
				}
				
			// highlight the item
			obj.style.fontWeight="bold";
			obj.style.color="white";
			}