var id = null;
function movePanel() {
    var pnl = $get("panelModalPopup");
    if (pnl != null) {
        pnl.style.left = "50px";
        pnl.style.top = "50px";
        id = setTimeout("movePanel();", 100);
    }
}
function stopMoving() {
    clearTimeout(id);
}