var Key = "";
var C = "";
var SubId = "";       

function getURL(CampId)
{
    Key = document.getElementById("Key").value;
    C = document.getElementById("C").value;
    SubId = document.getElementById("SubId").value;
    var _URL = "Landing-Server-Page.aspx?campid="+escape(CampId)+"&key="+escape(Key)+"&c="+escape(C)+"&subid="+escape(SubId)+"";
    _request = createXMLHttpRequestObject();
    _request.open("GET", _URL, true);
    _request.onreadystatechange = getResponseFromServer;
    _request.send(null);
}

function getResponseFromServer()
{
    if(_request.readyState == 4)
    {
        
        if(_request.status == 200)
        {
            getSchoolURL();			
        }
    }
}

function getSchoolURL()
{
    var _response = "";
    if(_request.responseText != "")
    {
      var _response = _request.responseText;
      document.location.href=_response;
    }
    
}