function Request(valuename){
	var rtnval = "";
	var nowAddress = unescape(location.href);
	var parameters = (nowAddress.slice(nowAddress.indexOf("?")+1,nowAddress.length)).split("&");

	for(var i = 0 ; i < parameters.length ; i++){
		var varName = parameters[i].split("=")[0];
		if(varName.toUpperCase() == valuename.toUpperCase()){
			rtnval = parameters[i].split("=")[1];
			break;
		}
	}
		return rtnval;
}