window.onload = rolloverInit;
var oldId = "facts"

function rolloverInit() {
	for (var i=0; i<document.links.length; i++) {
		var linkObj =  document.links[i];
		if (linkObj.id) {
			var imgObj = document.getElementById(linkObj.id + "aa");
			if (imgObj) {
				setupRollover(linkObj,imgObj);
			}
		}
	}
Setup();
}

function setupRollover(thisLink,thisImage) {
	thisLink.imgToChange = thisImage;
	thisLink.onmouseout = function() {
		this.imgToChange.src = this.outImage.src;
	}
	thisLink.onmouseover = function() {
		this.imgToChange.src = this.overImage.src;
	}
	
	thisLink.outImage = new Image();
	thisLink.outImage.src = thisImage.src;

	thisLink.overImage = new Image();
	thisLink.overImage.src = "web_files/button2.gif";
}





function Setup() {
/*                         alert(oldId) */
var arealength =  document.links.length;
for (var i=0; i<document.links.length; i++){
		var linkObj =  document.links[i];
		if (linkObj.id) {
			var imgObj = document.getElementById(linkObj.id + "b");
			if (imgObj) {
                         setover(document.links[i], document.links[i].id);
                         }
                }
}
}

function setover(thisLink, linkId){
thisLink.onmouseover = function(){
/*                     document.getElementById("facts").innerHTML = thisLink.alt; */
                    document.getElementById(oldId).className="hidden";
                     document.getElementById(linkId+"a").className="show";
                     oldId = linkId+"a";
                     }

}