jqm.ModalPopup Not Appearing On Top Of Overlay

jqm.ModalPopup Not Appearing On Top Of Overlay

Hi,

I am using FireFox and cannot get the ModalPopup to appear above the overlay:  Here is the css and code: 

Thanks,
Mark


#EditOneModal
{
    z-index: 100000;
    top: -200px;
    margin-left: -300px;
    width: 444px;
    height: auto;
    background-color: #c4dded;
    border:thin solid black;
    display: none;
}

function initAssignmentEditor() {
    $j('#EditOneModal').jqm();
    $j('#EditOneModal').jqmAddClose('#btnCloseEditOne');
   
    setEditButton();
}

function setEditButton() {
    $j('p.assignment-controls').children(':submit:eq(0)')
        .click(function(event) {
            //alert('editclick');
            var selectedAssignments = getSelectedAssignments();
            if (selectedAssignments.length > 1) {
                $j('#EditOneModal').jqmShow();
                event.preventDefault();  
            }
            else {
            
            }
        });
}