/*
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
	
	To use this, include
	<script src="rollover.js" type="text/javascript"></script>
	in the head, set any images' class to "imgover", and
	for any image.gif, include image_over.gif
*/

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var tagsToConsider = new Array("img", "input");
	var sTempSrc;
	
	for (var j = 0; j < tagsToConsider.length; j++) {
		var aImages = document.getElementsByTagName(tagsToConsider[j]);
		
	//var aImages = document.getElementsByTagName('img');
	//var aFormInputs = document.getElementsByTagName('input');

		for (var i = 0; i < aImages.length; i++) {		
			if (aImages[i].className == 'imgover') {
				var src = aImages[i].getAttribute('src');
				var ftype = src.substring(src.lastIndexOf('.'), src.length);
				// Changed from On
				var hsrc = src.replace(ftype, '_on'+ftype);
	
				aImages[i].setAttribute('hsrc', hsrc);
				
				aPreLoad[i] = new Image();
				aPreLoad[i].src = hsrc;
				
				aImages[i].onmouseover = function() {
					sTempSrc = this.getAttribute('src');
					this.setAttribute('src', this.getAttribute('hsrc'));
				}	
				
				aImages[i].onmouseout = function() {
					if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
					this.setAttribute('src', sTempSrc);
				}
			}
		}
	}
}

window.onload = initRollovers;