// Rollover Script
/*
	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 aInputs = document.getElementsByTagName("input");
	var aImg = document.getElementsByTagName('img');
	var aImages = new Array();

	for(var i = 0; i < aInputs.length; i++)
	{
		aImages[i] = aInputs.item(i);
	}
	
	for(var i = 0; i < aImg.length; i++)
	{
		aImages[i + aInputs.length] = aImg.item(i);
	}

	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, '_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'));
				// menu logic
				var layerName = sTempSrc.substring(sTempSrc.lastIndexOf('/')+1, sTempSrc.lastIndexOf('.'));
				//alert("myname = " + layerName);
				//hideAll();
				eval("showLayer('nav_" + layerName + "')");
				stopTime();
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) {
					sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				}
				this.setAttribute('src', sTempSrc);
				// menu logic
				var layerName = "nav_" + sTempSrc.substring(sTempSrc.lastIndexOf('/')+1, sTempSrc.lastIndexOf('.'));
				startTime(layerName);
			}
		}
	}
}