window.addEvent('domready', function() {
		//preloader
		var preLoadArray = new Array();
		var preLoadNum = 0;
 
		// Rollover script
		$$('img.roll2').each(function(el){
			// Preloader
			preLoadArray[preLoadNum] = new Image();
			preLoadArray[preLoadNum].src = el.src.replace(el.src.replace('_off.', '_on.'));
			preLoadNum++;
 
			el.addEvent('mouseover',function(){
				this.setAttribute('src',this.src.replace('_off.', '_on.'));
			});
 
			el.addEvent('mouseout',function(){
				this.setAttribute('src',this.src.replace('_on.','_off.'));
			});
		});
	});