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


window.onload = initRollovers;

function addEvent(elm, evType, func, useCapture) {
	if (elm.addEventListener) {
		elm.addEventListener(evType, func, useCapture);
		return true;
	} else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, func);
		return r;
	} else {
		elm['on' + evType] = func;
	}
}

function initRollovers() {
	if (!document.getElementById) return;
	
	var overPath = "_over";

	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	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, overPath+ftype);
			//hsrc = 'over' + hsrc;

			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(overPath+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

addEvent(window, 'load', initRollovers, false);

function openWin(wUrl,wName,wWidth,wHeight,wResize,wCenter,wScroll){if(document.all||document.layers||document.getElementById){scWidthCenter=screen.availWidth/2;scHeightCenter=screen.availHeight/2;}
else{wCenter=0;}
if(wCenter==1){wOption="toolbar=no,location=no,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable="+wResize+",width="+wWidth+",height="+wHeight+",left="+(scWidthCenter-(wWidth/2))+",top="+(scHeightCenter-(wHeight/2));}
else{wOption="toolbar=no,location=no,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable="+wResize+",width="+wWidth+",height="+wHeight;}
window.open(wUrl,wName,wOption);}