function image_viewer(url) {
  var imageviewer = window.open(url,"imageviewer","menubar=yes,location=yes,resizable=yes,scrollbars=yes,status=yes,width=652,height=590");
}

function getFlashMovie(movieName) {
  var isIE = navigator.appName.indexOf("Microsoft") != -1;
  return (isIE) ? window[movieName] : document[movieName];
}

function iv_zoom(movieName,amount) {
  getFlashMovie(movieName).ivZoom(amount);
}

function iv_reset(movieName) {
  getFlashMovie(movieName).ivReset();
}

function switchImage(id,url) {
  var imgobj = document.getElementById(id);
  imgobj.src = url;
  return(false);
}