function wo(URL) {
    var baseUrl = targetURL + "?URL=" + URL;
    var pwidth = (typeof (screen.width) == 'undefined') ? "800" : Math.round(screen.width * 0.75);
    var pheight = (typeof (screen.height) == 'undefined') ? "560" : Math.round(screen.height * 0.75);
    var window_spec = 'directories=0,status=1, scrollbars=1,resizable=1,toolbar=1,location=1,menubar=1,width=' + pwidth + ',height=' + pheight;
    window.open(baseUrl, '_blank', window_spec);
}