aktuell = "http://de.comunitatvalenciana.com/temperaturas/el-tiempo/0?em=benidorm";
morgen = "http://de.comunitatvalenciana.com/temperaturas/prevision-meteorologica?muni=Altea";


function pos_popup(popupx,popupy) {
  
  var middle = new Array(2);
  
  screenxh  = screen.width  / 2;
  screenyh  = screen.height / 2;
  
  popupxh   = popupx / 2;
  popupyh   = popupy / 2;
  
  middle[1] = screenxh - popupxh;
  middle[2] = screenyh - popupyh;
  
  return middle;
  
}