Сылка изменяющая цвета
<script>

var colors = new Array(
"#008000",
"green",
"#000000",
"#D3CF18",
"#C6C68C",
"green",
"blue",
"darkblue",
"purple",
"black",
"red",
"lime",
"yellow");
var colorCounter=0;
var timeoutId;
var hoverLink;

window.onload=function(){
	var as=document.getElementsByTagName("a");
	for(var i=0;i<as.length;i++){
		as[i].onmouseover=function(){
			if(this.style)hoverLink=this;
			hoverLink.style.color=colors[colorCounter++];
			colorCounter%=colors.length;
			timeoutId=setTimeout(hoverLink.onmouseover,400);
		}
		as[i].onmouseout=function(){clearTimeout(timeoutId);hoverLink.style.color=document.linkColor;}
	}
}

</script>