function openPopup(params, width, height) {
  window.open ('uploads/redim/view.php?'+params, 'produit_popup', 'height='+height+', width='+width+', toolbar=no, menubar=no, scrollbars=no, resizable=yes, location=no, directories=no, status=no')
}

function launch() {
  elt = document.getElementById('image');
  objImage = new Image();
  objImage.onload=resize();
  objImage.src = elt.src;
}

function resize() {
  elt = document.getElementById('image');
  var win_h = parseInt(elt.height+91);
  if (navigator.userAgent.match(/MSIE/))
    win_h = parseInt(elt.height+31);
  var win_w = parseInt(elt.width+10);
  window.resizeTo(win_w, win_h);  
  window.moveTo((screen.width-win_w)/2,(screen.height-win_h)/2);
  self.focus();
}

function popup(ad, width, height) {
  window.open (ad, 'produit_popup', 'height='+height+', width='+width+', toolbar=no, menubar=no, scrollbars=no, resizable=yes, location=no, directories=no, status=no')
}