function rollOver(star1, star2, star3, star4, star5){
	
	if (star1 != "")
		document.getElementById(star1).className = "on";
	if (star2 != "")
		document.getElementById(star2).className = "on";
	if (star3 != "")
		document.getElementById(star3).className = "on";
	if (star4 != "")
		document.getElementById(star4).className = "on";
	if (star5 != "")
		document.getElementById(star5).className = "on";
		
}

function rollOut(star1, star2, star3, star4, star5){
	if (star1 != "")
		document.getElementById(star1).className = "";
	if (star2 != "")
		document.getElementById(star2).className = "";
	if (star3 != "")
		document.getElementById(star3).className = "";
	if (star4 != "")
		document.getElementById(star4).className = "";
	if (star5 != "")
		document.getElementById(star5).className = "";
		
}