function roller(inum,imgsrc){
	document.getElementById(inum).src=imgsrc;
}
function p()
{
	var imageTotal=5,i=0,imageObj = new Image();
	for(i=0;i<imageTotal;i++)
	{
		imageObj.src="images/"+i+"on.jpg";
		imageObj.src="images/"+i+"off.jpg";
		eval("document.getElementById('"+"i"+i+"').onmouseover=function(){roller('"+"i"+i+"','"+"images/"+i+"on.jpg"+"')};");
		eval("document.getElementById('"+"i"+i+"').onmouseout=function(){roller('"+"i"+i+"','"+"images/"+i+"off.jpg"+"')};");
		}
}
window.onload = p;