function removeQuery(query,s){
	//remove s
	var ss="";
	gy = query.split("&");
	for (i=0;i<gy.length;i++) {
		ft = gy[i].split("=");
		if (ft[0] != s) {
			if(ft[0]!=""){
				if(ss==""){
					ss = ft[0]+"="+ft[1];
				}else{
					ss = ss + "&" + ft[0]+"="+ft[1];
				}
			}
		}
	}
	return ss;
}