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.")) {
				if(typeof(menu_src) === "undefined" || !images[i].getAttribute("src").match(menu_src)) {
					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."));
					}
				}
			}
		}
	}
}

function changeToOn() {
	if(typeof(menu_src) !== "undefined") {
		if(document.getElementsByTagName) {
			var images = document.getElementsByTagName("img");
			var images = document.getElementsByTagName("img");
			for(var i=0; i < images.length; i++) {
				if(images[i].getAttribute("src").match("_off.")) {
					if(images[i].getAttribute("src").match(menu_src)) {
						images[i].setAttribute("src", images[i].getAttribute("src").replace("_off.", "_on."));
					}
				}
			}
		}
	}
	smartRollover();
}

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