function setMarkOne(id){
	var Obj,Obj2;
	Obj=document.getElementsByName("markOne");
	Obj2=document.getElementsByName("markOneImg");
	for(i=0;i<Obj.length;i++){
		if(i==id){
			Obj2[i].src="images2009/bqRed"+i+".gif";
			Obj[i].style.display="block";
		}else{
			Obj2[i].src="images2009/bqBlack"+i+".gif";
			Obj[i].style.display="none";
		}
	}
}