function shuziren_in(info){
	var shuziren_in=document.getElementById(info);
	if(shuziren_in != null){return true; }
	else {return false; }
}

function shuziren_url(){
	var str,pos,goto
	str = window.location.href;
	pos = str.indexOf("?");
	goto = str.substring(pos+1);
	return goto;
}