function countdown(event) {
  eventdate = new Date(event);
  today = new Date();
  secstogo = Math.floor((eventdate.getTime() - today.getTime())/1000);
  daystogo = Math.floor(secstogo/(24 * 60 * 60));
  document.write(daystogo);
  }

function openWin(filename, x, y) {
  var features="toolbar=no,status=no,scrollbars=no,resizable=yes,menubar=no";
  if (navigator.appName !== "Opera") {
    x += 20;
    y += 30;
  }
  features = features + ",width=" + x + ",height=" + y;
  newwin=window.open(filename, '_blank', features);
}

function pictureCell(filename, tnx, x, y) {
    var thumbnailname = filename.replace(/\./,"_tn.");

    var tdstring = '<td align="left" width="' + tnx + '" valign="top"><a href="javascript:openWin(\''+ filename + '\',' + x + ',' + y + ');"><img src="' + thumbnailname + '" width="' + tnx + '" height="' + tnx*3/4 + '"></a></td><td width=20>&nbsp;</td>';

    document.write(tdstring);
}

function videoCell(filename, tnx) {
    var thumbnailname = filename.replace(/\.mpg/,"_tn.jpg");

    var tdstring = '<td align="left" width="' + tnx + '" valign="top"><a href="' + filename + '"><img src="' + thumbnailname + '" width="' + tnx + '" height="' + tnx*3/4 + '"></a></td><td width=20>&nbsp;</td>';

    document.write(tdstring);
}