function reloadImg(id) {
   	var obj = document.getElementById(id);
   	var src = obj.src;
   	var pos = src.indexOf("?");
   	if (pos >= 0) {
		src = src.substr(0, pos);
   	}
   	var date = new Date();
   	obj.src = src + "?v=" + date.getTime();
   	return false;
}