$(document).ready(function(){
   $("div.help")
       .each(function(){
           var height = $(this).attr("height");
           var width = $(this).attr("width");
           if (height == undefined){
               height = 300;
           }
           if (width == undefined){
               width = 500;
           }
           $(this).replaceWith('<a href="/help/'+jQuery.trim($(this).text())+'?height='+height+'&amp;width='+width+'&amp;TB_iframe=true" class="thickbox" title=""></a>');
       });
   $("[help]")
       .each(function(){
               var help = $(this).attr("help");
               $(this).after('<a href="/help/'+jQuery.trim(help)+'?height=300&width=500&TB_iframe=true" class="thickbox"></a>');
               $(this).removeAttr("help");
       });
});