function openWin (theURL, w, h, winName) {

    if (navigator.appName == 'Netscape' && parseInt(navigator.appVersion) < 4){
        w = parseInt(w) + 20;
        h = parseInt(h) + 20;
    }

    str = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+w+",height="+h;
    nWin = window.open(theURL,winName,str);
    if ( navigator.appName == 'Netscape' ) {
	 nWin.focus();
    }
}

function externalURL(theUrl) {
    openWin("/popup.php?"+escape(theUrl),250,200,"bumper");
}