function CallAjax(sMethodName, sElementName, nValue){    
	var oElement = document.getElementById(sElementName);
 	oElement.style.display = "block";
	var Request = new AjaxRequest();
	Request.Async = true;
	Request.CallBack = "AjaxCallBack";
	Request.Attributes = oElement;
	Request.Url = "index.php";
	Request.FilePath = "frontend/temp.hotelreservation.php";
	Request.ClassName = "HotelReservationTemplate";
	Request.MethodName = sMethodName;
	Request.RegisterArgument("sMethodName", sMethodName);
	Request.RegisterArgument("nValue", nValue);
	Request.Send();
}

function AjaxCallBack(xmlHttp, Attributes){
     oElement = Attributes;
     oElement.innerHTML = xmlHttp.responseText;
}