function openNewWindowFlexibel(url, name, breite, hoehe)
{
	var features = ('left=10,top=10,width=' + breite + ',height=' + hoehe + ',scrollbars=1');
	
	if ( !window.win || win.closed )
  	{
  		win = window.open(url, name, features);
	}
   else
   {
      win.location = url, name, features;
   }   
	 win.focus();
}