function openRedirWindow(url,w,h) {
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,resizable=no,menubar=no,toolbar=no,status=no,location=no';
	window.open(url,name,settings);
	return false;
}

function openRedir(url) {
  window.open(url,'JC','scrollbars=yes,resizable=yes,width=800,height=600,menubar=yes,toolbar=yes,status=yes,location=yes'); 
  self.close(); 
  return false;
}


function bookmark() {
      if ((navigator.appName == "Microsoft Internet Explorer")
              && (parseInt(navigator.appVersion) >= 4)) {
        var url="http://nicorette-science.de";
        var title="http://nicorette-science.de";
        window.external.AddFavorite(url,title);
      } else {
        if(navigator.appName == "Netscape") {
          window.alert("Drücken Sie (CTRL-D) um " + title + " zu Ihren Favoriten hizuzufügen.");
        }
      }
}