var newWin = {'closed':true};
function openWinSmall(url){
  if(!newWin.closed)
    newWin.close();
  newWin = window.open(url,'vindue','width=600, height=450');
  newWin.focus();
}
function openWinhigh(url){
  if(!newWin.closed)
    newWin.close();
  newWin = window.open(url,'vindue','width=450, height=600');
  newWin.focus();
}
function openWin(url){
  if(!newWin.closed)
    newWin.close();
  newWin = window.open(url,'nytvindue');
  newWin.focus();
}