// Show the modal popup on each master page for a Form Control
function showModal(comName) {

    var modal = $find(comName)

    // make sure it exists
    if (modal == null) {
        alert('There is no modal popup present on the window. the form cannot be showed. We aplogise for the inconvinience.');
    }
    else {
        modal.show();
    }
    
}