/* Copyright (c) Fluid Creativity, 2007 */

var initMouseOvers = function(){
	var preload = new Image();

	$$('.rollover').each(function(el){
		if (el.src.test(/\.(gif|jpg|jpeg|png)$/i)) {

			// preload images
			preload.src = el.src.replace(/\.(gif|jpg|jpeg|png)/, '_over.$1');

			el.addEvents({
				mouseover: function(){
					this.src = this.src.replace(/\.(gif|jpg|jpeg|png)/, '_over.$1');
				},
				mouseout: function(){
					this.src = this.src.replace(/_over\.(gif|jpg|jpeg|png)/, '.$1');
				}
			});
		}
	});
}


// and initialise the mouseovers on page load

window.addEvent('domready', initMouseOvers);