var browsefield = '';
function browse (path, target, filter) {
  if (!filter) {
     filter = '.jpg,.gif,.png';
  }
  x = ((window.innerWidth / 2) - 450);
  y = ((window.innerHeight / 2) - 240);
  popup = open('/dialog.php?action=browse&path=' + path + '&filter=' + filter, 'dialog', 'height=480,width=900,top=' + y + ',left=' + x + ',screeny=' + y + ',screenx=' + x + ',toolbar=no,menubar=no,location=no,scrollbars=yes');
  browsefield = target;
  if (popup.opener == null) {
    popup.opener = self;
  }
  popup.focus();
}
function user (query, target) {
  x = ((window.innerWidth / 2) - 450);
  y = ((window.innerHeight / 2) - 240);
  popup = open('/dialog.php?action=user&query=' + query, 'dialog', 'height=480,width=900,top=' + y + ',left=' + x + ',screeny=' + y + ',screenx=' + x + ',toolbar=no,menubar=no,location=no,scrollbars=yes');
  browsefield = target;
  if (popup.opener == null) {
    popup.opener = self;
  }
  popup.focus();
}