function setPg(){
	var pgwd=document.body.offsetWidth
	var figure=(pgwd-823)/2 
	document.getElementById('leftNavLong').style.left=figure;
	}
	/*functions for dropdown showing and rollover*/
	function changeIt(style1){
	document.getElementById(style1).className="navOver";
	}
	function changeBack(style1){
	document.getElementById(style1).className="navSecond";
	}
	function showIt(style2){
	var pgwd=document.body.offsetWidth
	if(style2=='factsll'){
	var figure=(pgwd-823)/2 +347
	}
	else{
	var figure=(pgwd-823)/2 +412
	
	}
	document.getElementById(style2).style.left=figure;
	document.getElementById(style2).style.visibility="visible";
	}
	
	function showBack(style2){
	document.getElementById(style2).style.visibility="hidden";
	}
	/*functions for left nav rollover*/
	function rollover(arrowimage, linktext){
	var newImage = "../images/aspartame-arrow-on.gif";                
	document.getElementById(arrowimage).src= newImage;	
	document.getElementById(linktext).className="leftnavTitleOn";
	}
	function rollout(arrowimage, linktext){
	var newImage = "../images/aspartame-arrow-off.gif";                
	document.getElementById(arrowimage).src= newImage;		
	document.getElementById(linktext).className="leftnavTitleOff";
	}