//Below is the code that pre-loads the graphics 

function initRollOver() {
  if (!document.getElementById) return
  var imgOriginSrc;
  var imgTemp = new Array();
  var imgarr = document.getElementsByTagName('img');
  for (var i = 0; i < imgarr.length; i++) {
    if (imgarr[i].getAttribute('hsrc')) {
        imgTemp[i] = new Image();
        imgTemp[i].src = imgarr[i].getAttribute('hsrc');
		imgarr[i].onmouseover = function() {
			imgOriginSrc = this.getAttribute('src');
            this.setAttribute('src',this.getAttribute('hsrc'));
        }
        imgarr[i].onmouseout = function() {
			if (imgOriginSrc == null){
				imgOriginSrc = this.getAttribute('src');
			}
			this.setAttribute('src',imgOriginSrc);
			
        }
    }
  }
}