rollovers=function(off,on){

	img=document.getElementsByTagName("img");p=[];

	off_reg=new RegExp(off+"(\.[a-z]+$)","i");

	on_reg=new RegExp(on+"(\.[a-z]+$)","i");

	for(var x=0,i;i=img[x];x++){

		if(i.src.match(off_reg)){

			p[x]=new Image();

			p[x].src=i.src.replace(off_reg,on+"$1");

			

	i.onmouseover=function(){

		this.src=this.src.replace(off_reg,on+"$1");};

	i.onmouseout=function(){

		this.src=this.src.replace(on_reg,off+"$1");};};};};

		

onloader = function(){	rollovers( "_d" , "_o" );}		

if (window.attachEvent){

	window.attachEvent('onload', onloader);

}

else {

	window.addEventListener('load', onloader, false);

}