function valt2(max,obj) {
	var id=obj.id.replace('slabel_', '');
	for (var i=1; i<=max; i++)
	{
        if(document.getElementById('sbox_'+i) != null)
        {
         document.getElementById('sbox_'+i).style.display="none";
         document.getElementById('slabel_'+i).className="";
        }

	}
	document.getElementById('sbox_'+id).style.display="block";
    document.getElementById('slabel_'+id).className = "selected";

}