/*
	Standards Compliant Rollover Script
    Adapted from script by Daniel Nolan.
*/

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	
	var aImages = document.getElementsByTagName('img');
	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgro') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var rosrc = src.replace(ftype, '_ro'+ftype);

			aPreLoad[i] = new Image();
			aPreLoad[i].src = rosrc;

			aImages[i].setAttribute('rosrc', rosrc);
			aImages[i].setAttribute('title', '');
			
			aImages[i].onmouseover = function() {	
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('rosrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_ro'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;