function OpenWindow (Url,Title, Width, Height, Scrollbars,Resizable) {
  links=(screen.width-Width)/2
  oben=(screen.height-Height)/2
  var win_opt= "toolbar=0,location=0,directories=0,status=0,menubar=0,";
  win_opt += "scrollbars=" + Scrollbars + ",resizable=" + Resizable + ",copyhistory=0,";
  win_opt += "dependent=yes,screenY="+oben+",left="+links+",screenX="+links+",width=" + Width + ",height=" + Height;
	
  newWindow = window.open('',Title,win_opt);

  if (newWindow != null) {
    if (newWindow.opener == null)
      newWindow.opener = self;
    newWindow.location.href = Url;
    if (newWindow.focus) 
		  newWindow.focus();
  }
}