/*
	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 sTempSrc;
	var aImages = document.getElementsByTagName('img');
	var aInput = document.getElementsByTagName('input');
	var arr_rollover = [];

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

try {
	window.addEventListener("load", initRollovers, false);
} catch(e) {
	window.attachEvent("onload", initRollovers);
};