/*
 * $Id: index.js,v 1.2 2003/10/21 17:30:22 brian Exp $
 */

/* preload images */
var seriesImg, seriesHiImg, publisherImg, publisherHiImg;
seriesImg          = new Image();
seriesImg.src      = "images/series.gif";
seriesHiImg        = new Image();
seriesHiImg.src    = "images/series_hi.gif";
publisherImg       = new Image();
publisherImg.src   = "images/publisher.gif";
publisherHiImg     = new Image();
publisherHiImg.src = "images/publisher_hi.gif";

/*
  function orderSeries

  Parameters:
    orderBy - series / publisher

  Modifies:
    refreshes the iframe containing the series info, ordered appropriately
    changes the title images to signify which is used for ordering
*/
function orderSeries(orderBy) {
  // check which browser
  if (browserType = "getElementById") {
    window.seriesList.location = "seriesList.asp?orderBy=" + orderBy + "&seriesList=" + document.selectSeries.series.value;
  } else if (browserType = "all") {
    window.document.all.seriesList.src = "seriesList.asp?orderBy=" + orderBy + "&seriesList=" + document.selectSeries.series.value;
  }

  // set title images
  if (orderBy == "publisher") {
    document.images["publisherTitle"].src = publisherHiImg.src;
    document.images["seriesTitle"].src = seriesImg.src;
  } else {
    document.images["publisherTitle"].src = publisherImg.src;
    document.images["seriesTitle"].src = seriesHiImg.src;
  }
}