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);
}

function pageScrollToTop(){
	var speed1 = 3;
	var speed2 = 4;
	var sec = 40;
	var y;
	var cy;
	var gy = 0;
	var scrollEngine;
	if(document.all){
		cy = document.documentElement.scrollTop;
	}
	else if(document.layers || document.getElementById){
		cy = pageYOffset;
	}
	y = cy-gy;
	if(Math.abs(y)>50){
		cy = Math.round(cy-(y/speed1));
		window.scroll(0,cy);
		scrollEngine = setTimeout("pageScrollToTop()",sec);	
	}else if(Math.abs(y)>2){
		cy = Math.round(cy-(y/speed2));
		window.scroll(0,cy);
		scrollEngine = setTimeout("pageScrollToTop()",sec);	
	}else{
		window.scroll(0,0);
		clearTimeout(scrollEngine);
	}
}