//These functions create the rollover image swap effect in the header 

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];}
}


//These functions are used to create behavior for CSS/JS version of the top navigation bar. 
//This script is included in each page header include file
//swaps the subitem and subitem over classes

function flip(node){
	node.className = "subitemover";
	for (i=0; i<node.childNodes.length; i++) {
		node2 = node.childNodes[i];
		if (node2.nodeName=="UL") {
			var sid;
			sid = node2.id;
			smu = document.getElementById(sid);
			smu.style.display = 'block';
		}
	}
}
	
function flipout(node){
	var sid, smu;
	node.className = "subitem";
	for (i=0; i<node.childNodes.length; i++) {
		node2 = node.childNodes[i];
		if (node2.nodeName=="UL") {
			var sid;
			sid = node2.id;
			smu = document.getElementById(sid);
			smu.style.display = 'none';
		}
	}
}
	
	
startMenu = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("ftnav");     // see <div id="ftnav"> in topnav html
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="DIV") {
				node.onmouseover=function() {			// adds "over" to the class name
					this.className+="over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace("over", "");
				}
			}
		}
	}
}