/*------------------------------------*/
/*	smartRollover.js - 2008.5.1
/*------------------------------------*/

function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		smartRolloverSetFunc(images);
		var images = document.getElementsByTagName("input");
		smartRolloverSetFunc(images);
	}
}
function smartRolloverSetFunc(images){
	var preload = [];
	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."));
			}
			// preload
			var l = preload.length;
			preload[l] = new Image();
			preload[l].src = images[i].getAttribute("src").replace("_off.", "_on.");
		}
	}
}

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