function imgRollover() {
	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.", "_over."));
				}	
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_over.", "_off."));
				}
			}
		}
	}
}

function inputRollover() {
	if(document.getElementsByTagName) {
		var inputs = document.getElementsByTagName("input");
		for(var i=0; i < inputs.length; i++) {
			if(inputs[i].type =="image"){
				if(inputs[i].getAttribute("src").match("_off."))
				{
					inputs[i].onmouseover = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_off.", "_over."));
					}	
					inputs[i].onmouseout = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_over.", "_off."));
					}
				}
			}
		}
	}
}


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