/*
$(document).ready(function(){
	var now=false;
	$('img')
		.click(function(){
				now=$(this).attr('src');
				$('img').each(function(idx,element){
					if($(element).attr('src')!=now){
						$(this).attr('src',($(this).attr('src')).replace("_on.", "_off."))
					}
				});
			})
		.mouseover(function(){
				$(this).attr('src',($(this).attr('src')).replace("_off.", "_on."))
			})
		.mouseout(function(){
				if($(this).attr('src')!=now){
					$(this).attr('src',($(this).attr('src')).replace("_on.", "_off."))
				}
			})
	
});
*/


function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}