function swapImages(img_name, img_src){
	if (document.images){
		document[img_name].src = img_src;
    }
}
function returnImgLoc(name, extension){
	for(i=0;i<navTopLength;i++){
		if(name.slice(0,3)==navTopArray[i].slice(0,3)){
			var nameLeng=name.length;
			var tempNum=name.slice(nameLeng-1,nameLeng);
			var imgLoc='images/nav/subs/'+navSubArray[i][name.slice(nameLeng-1,nameLeng)-1]+''+extension+'.gif';
		}
	}
	return imgLoc;
}
function subOvr(name){
	menuOver();
	if(name!=pageSelected && pageSelected!='none'){
		document.getElementById(pageSelected).className = 'menuBtm';
	}
}
function subUp(){
	menuRevert();
}
function openPopup(name, height, width){
	var winl = (screen.width - width) / 2;
	var wint = (screen.height - height) / 2;
	var windowName = name.slice(name.indexOf('-')+1, 50);
	var windowLoc = ''+name+'.html';
	var winProps = 'toolbar=no,statusbar=no,location=no,scrollbars=no,resizable=yes,width='+width+',height='+height+',top='+wint+',left='+winl;
	window.open(windowLoc, windowName, winProps);
}
/**********************************************************************
 section 1 - below is the number of dropdowns in the navigation
 **********************************************************************/
navTopLength=6;
/**********************************************************************
 section 2 - below shows and hides navigation layers
 **********************************************************************/
function show(id){
	menuOver();
	if(id!=openedNav || siteSection=="none"){
		if(window.pageSelected && pageSelected!="none"){
			document.getElementById(pageSelected).className = 'menuBtmSelect';
		}
		for(i=1;i<=navTopLength;i++){
			var divName = "Nav"+i;
			if(id==divName){
				openedNav=divName;
				document.getElementById(divName).style.visibility = 'visible';
				document.getElementById("Nav"+i+"-Top").className = 'menuTopSelect';
			}else{
				document.getElementById(divName).style.visibility = 'hidden';
				document.getElementById("Nav"+i+"-Top").className = 'menuTop';
			}
		}
	}
}
function hideAll(){
	show(siteSection);
	if(pageSelected!='none'){
		document.getElementById(pageSelected).className = 'menuBtmSelect';
	}
}
function menuOver(){
	if(window.clearNav){
		window.clearTimeout(clearNav);
	}
}
function menuRevert(){
	clearNav = window.setTimeout("hideAll()", 1000);
}
/**********************************************************************
 section 3 - below is to write the css to hid the navigation dropdowns
 **********************************************************************/
document.write ('<style><!--');
for(i=1;i<=navTopLength;i++){
	document.write ('	#Nav'+i+' { visibility: hidden; position: absolute; z-index: '+(776+i)+'; }'
	+'	#Nav'+i+'-Top    { visibility: visible; position: relative; z-index: '+(876+i)+'; }');
}
document.write ('//--></style>');

/**********************************************************************
 section 4 - below are the functions called on page load (content area)
 **********************************************************************/
openedNav="none";
function init() {
	siteSection=(pageSelected.slice(0,3)=="Nav")?pageSelected.slice(0,pageSelected.length-2):"none";
	hideAll();
}