function menu_item_click(menu_item_id)
{
    if(document.mainFrameForm.changed.value==1)
        mb_confirm("mosaic:builder", document.getElementById("module_menu_msg_lost_changes").innerHTML, new Array("OK", "confirm_menu_item_click("+menu_item_id+")", "Cancel", ""));
    else
    {
        document.main_menu_form.moduleID.value=menu_item_id;
        document.main_menu_form.submit();
    }
}

function confirm_menu_item_click(menu_item_id)
{
    document.mainFrameForm.changed.value=0;
    menu_item_click(menu_item_id);
}