/*
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
*/

function initRollovers() {
	if (!document.getElementById) return
	var aPreLoad = new Array();
	var inputPreLoad = new Array();
	var sTempSrc;
	var sTempSrcIp;
	var aImages = document.getElementsByTagName('img');
	var inputImages = 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);
			var hsrc = src.replace(ftype, '_o'+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('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
	for (var i = 0; i < inputImages.length; i++) {		
		if (inputImages[i].className == 'imgover') {
			var src = inputImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			inputImages[i].setAttribute('hsrc', hsrc);
			
			inputPreLoad[i] = new Image();
			inputPreLoad[i].src = hsrc;
			
			inputImages[i].onmouseover = function() {
				sTempSrcIp = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			inputImages[i].onmouseout = function() {
				if (!sTempSrcIp) sTempSrcIp = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrcIp);
			}
		}
	}
}
try{
	window.addEventListener('load', initRollovers, false);
} catch(e){
	window.attachEvent('onload', initRollovers);
}