// Variable fuer die Erkennung von Browser
var ns = false;  
var ie = false;

// browser pruefen
if ( navigator.appName == 'Netscape' ) 
	{
	ns = true;
	ie = false;
	} 
else if ( navigator.appName == 'Microsoft Internet Explorer' ) 
	{
	ns = false;
	ie = true;
	}
// rechte Mousetaster ausschalten
function rtclickcheck(keyp){
	mymessage=":-p";
  if (navigator.appName == "Netscape" && keyp.which == 3) {
    alert(mymessage);
    return false;
  }

  if (navigator.appVersion.indexOf("MSIE") != -1 && event.button == 2) {
    alert(mymessage);
    return false;
  }
}
//document.onmousedown = rtclickcheck;