function rollover() {
  if (!document.getElementById) return;
  var imgPreload = new Array();
  var images = document.getElementsByTagName('img');
  var len;
  var lenR;
  for (var i = 0; i < images.length; i++) {
    if (images[i].getAttribute('rsrc')) {
      imgPreload[i] = new Image();
      imgPreload[i].src = images[i].getAttribute('rsrc');
      images[i].onmouseover = function() {
			this.setAttribute('ssrc',this.getAttribute('src'));
			this.setAttribute('src',this.getAttribute('rsrc'));
      }
      images[i].onmouseout = function() {
	  len = this.getAttribute('src').length;
	  lenR = this.getAttribute('rsrc').length;
		if (this.getAttribute('src').substring(len-10,len) == this.getAttribute('rsrc').substring(lenR-10,lenR)) {
			this.setAttribute('src',this.getAttribute('ssrc'));
			}
		}
    }
  }
}


/******************************************************************************************************/