function openWin(URL, width, height, scroll, resize, TITLE) {
    if (URL != "") { 
                // supply some default values
                if (width == "")        {       width = 640             }
                if (height == "")       {       height = 480    }
                if (scroll == "" || scroll == null ) { scroll = 1 }
            if (resize == "" || resize == null ) { resize = 1 }
                if (TITLE == "")        {       TITLE = ''      }
                mainWinParams = 'toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=' + scroll + ',resizable=' + resize + ',width=' + width + ',height=' + height;
                var mainWindow = window.open(URL, TITLE, mainWinParams);
    }
    //return false;
}