// JavaScript Document

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); 
}