//1. tB_PopupWindowCenter(popWinURL,popWinName,popWinFeatures,popWinWidth,popWinHeight)

var tB_Window = null;
// hoeherstellen (Toolbar 28 und Browsertopleiste ca. 24 ) - Achtung! abhaengig von Features und Browser...
var popWinHigher = 28 + 24;

function tB_PopupWindowCenter(popWinURL,popWinName,popWinFeatures,popWinWidth,popWinHeight)
 {
  popWinx = (((window.screen.height - popWinHigher) / 2) - (popWinHeight / 2));
   popWiny = ((window.screen.width / 2) - (popWinWidth / 2));
   popWinAttributes = popWinFeatures + ',width='+popWinWidth+',height='+popWinHeight+',top='+popWinx+',left='+popWiny;
	tB_Popup = window.open(popWinURL,popWinName,popWinAttributes);   
 }