$(function() {  
  $('a.lightbox').lightBox();  
  if (jQuery.browser.mozilla || jQuery.browser.msie){
    $(".favoritea1").html('<a href="javascript:void addBookmark(document.title, location.href);" class="favorite-a">お気に入り</a>');
    $(".favoritea2").html('<a href="javascript:void addBookmark(document.title, location.href);" class="favorite-a"><img src="/images/common/bookmark-b.gif" alt="お気に入り" /></a>');
  }    

});
<!--
function addBookmark(title,url) {
if( document.all ) {
window.external.AddFavorite( url, title);
}  else if (window.sidebar) {
window.sidebar.addPanel(title, url,"");
}  else if( window.opera && window.print ) {
return true;
}
}
//-->