var blockerIFrame;

startList = function() {
	if (document.all && document.getElementById) 
	{
		blockerIFrame = document.getElementById("primaryNavIFrame");
		navRoot = document.getElementById("nav");
		var children = navRoot.childNodes; //getElementsByTagName("LI");
	
		for (i=0; i<children.length; i++) 
		{
			node = children[i];
			if (node.nodeName=="LI") 
			{
				fncFocus = function() { 
					menuItem = (this.nodeName == "A") ? this.parentNode : this;
					ulNode = GetUL(menuItem);
					menuItem.className+=" over"; 
					if (ulNode && blockerIFrame) {
						blockerIFrame.style.top = menuItem.offsetTop + ulNode.offsetTop + 1;
						blockerIFrame.style.left = menuItem.offsetLeft;
						blockerIFrame.style.width = ulNode.clientWidth + 2;
						blockerIFrame.style.height = ulNode.clientHeight;
						blockerIFrame.style.visibility = "visible";
					}
				}
	
				node.onmouseover=fncFocus;
	
				node.onmouseout=function() { 
					this.className=this.className.replace(" over", ""); 
					if (blockerIFrame) {
						blockerIFrame.style.visibility = "hidden"; 
					}
				}
	
				ulNode = GetUL(node);
				if (ulNode) {
					for (x=0; x<ulNode.childNodes.length; x++) 
					{
						childNode = ulNode.childNodes[x];
						if (childNode.nodeName=="LI") 
						{
							childNode.onmouseover=function() { this.className+=" over"; }
							childNode.onmouseout=function() { this.className=this.className.replace(" over", ""); }
						}
					}
				}
			} 
		}
	}
}
/*
startList = function() {

if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
}
*/
window.onload=startList;

function GetUL(parent)
{
	ulNodes = parent.getElementsByTagName("UL");
	if (ulNodes != null && ulNodes.length != 0)
	{
		return ulNodes[0];
	}
	return null;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}