var ver = 0

BrowserName = navigator.appName;
BrowserVer = parseInt(navigator.appVersion);

if ((BrowserName == "Netscape" && BrowserVer >= 3) || (BrowserName == "Microsoft Internet Explorer" && BrowserVer > 3))  {
	ver = 1;
}

if (ver == 1) { 
	PFEIL = new Image();
	PFEIL.src = '/home/img/pfeil-rot.gif';
}

function on(n) {
	if (ver == 1) { document.images['H' + n].src = PFEIL.src; }
	selected_topic = n;
}

function off(n) {
	if (ver == 1) { document.images['H' + n].src = '/home/img/pfeil.gif'; }
}

function popitnow(URL,h,w) {
        popup = window.open(URL,"MessageBox","height="+h+",width="+w+",scrollbars=yes,resizable=yes,menubar=yes")
        if ( popup.document.close() ) {
          popup.document.close()
        }
      }

function launchSplashWin(URL,h,w) {
        popup = window.open(URL,"MessageBox","height="+h+",width="+w+",toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0")
        if ( popup.document.close() ) {
          popup.document.close()
        }
      }