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."));
				}
			}
		}


		var inputs = document.getElementsByTagName("input");

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

		var button = document.getElementsByTagName("button");
		for(var i=0; i < button.length; i++) {
			button[i].onmouseover = function() {
				btnChildren = this.childNodes;
				for(var j=0; j < btnChildren.length; j++) {
					if( btnChildren[j].nodeName == "IMG"){
						if(btnChildren[j].getAttribute("src").match("_off.")){
							btnChildren[j].setAttribute("src", btnChildren[j].getAttribute("src").replace("_off.", "_on."));
						}
					}
				}
			}
			button[i].onmouseout = function() {
				btnChildren = this.childNodes;
				for(var j=0; j < btnChildren.length; j++) {
					if( btnChildren[j].nodeName == "IMG"){
						if(btnChildren[j].getAttribute("src").match("_on.")){
							btnChildren[j].setAttribute("src", btnChildren[j].getAttribute("src").replace("_on.", "_off."));
						}
					}
				}
			}
		}
	}
}

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