// Function to show filtering window for groupped column
function RadGridGrouppedColumnFiltering(stringGridID, stringColumnID)
{
    // Introduce variables
    var arrayValue = new Array();
            
    // Add values to AJAX request
    arrayValue.push("CenteroFilterGroupPanel");
    arrayValue.push(stringGridID);
    arrayValue.push(stringColumnID);

    // Send AJAX request and return value
    return SendAJAXRequest(arrayValue);
}