window.onload = rolloverInit;

function rolloverInit() {
for (var i=0; i<document.links.length; i++) {
if (document.links[i].className == "primary") {		
var linkObj = document.links[i];
			if (linkObj.id) {
				var imgObj = document.getElementById(linkObj.id + "_bullet");
				if (imgObj) {

              				setupRollover(linkObj, imgObj);
				}
	
			}}
		}
	}




function setupRollover(thisLink, thisImage) {

	thisLink.imgToChange= thisImage;
	thisLink.onmouseout = rollOut;
	thisLink.onmouseover = rollOver;

	thisLink.outImage = new Image();
	thisLink.outImage.src = thisImage.src;
	
	thisLink.overImage = new Image();
	thisLink.overImage.src = "images/bullet_over.gif";
	
}



	



function rollOver() {
	this.imgToChange.src = this.overImage.src;
}

function rollOut() {
	this.imgToChange.src = this.outImage.src;

}