[jQuery] Am i missing something? tis not working in IE

[jessie]

Hi

Everything is working as it should in Firefox, i've checked the
firebug and its not spitting out any errors.

Except,,,, in IE its not working...

Can someone please have a look at my code and tell me if i'm missing
somethin gplease.

Thank-you in advance.

Jess.

Here is the scripts.. in order.
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/
libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript" src="skins/{VAL_SKIN}/jquery.easing.
1.3.js"></script>
<script type="text/javascript" src="skins/{VAL_SKIN}/
jquery.fancybox-1.2.1.pack.js"></script>
<script type="text/javascript" src="skins/{VAL_SKIN}/effects.js"></
script>

Here is all my code

jQuery(function($) {

function getLeaf(url) {
var splited=url.split('?');// remove all the parameter from url
url=splited[0];
url=splited[0];
return url.substring(url.lastIndexOf("/")+1);// return file name
}
jQuery.fn.extend({
 enter: function() {//plugins creation
     return this.each(function() {
       var pth = $(this).find("img")[0];
      //alert($(this).children().attr("href"));
       if($(this).children().attr("href")==getLeaf
(document.location.href)){// check that the link url and document url

           $(pth).attr("src",pth.src.replace(/.gif/g, '_active.gif'));
       } else{
               $(this).hover(function(){
                  $(pth).attr("src",pth.src.replace(/.gif/
g,'_active.gif'));// mouse over Image
                  },function(){
                      $(pth).attr("src",pth.src.replace(/_active.gif/
g,'.gif'));
                      });
               }
               });
     }
});
$(function(){  // Document is ready
 $(".LPButton,.CatMoreBtn").enter();// call the function
});
        $('input[type="image"]').hover(
                function () { $(this).attr("src", $(this).attr("src").split('-
off').join('-on')); },
                function () { $(this).attr("src", $(this).attr("src").split('-
on').join('-off')); }
        );
});
$(function(){  // Document is ready
$("a.group").fancybox({
                'overlayShow'                   : true,
                'zoomSpeedIn'                   : 600,
                'zoomSpeedOut'                  : 500,
        });
        });



It works fine if i delete this part

$(function(){  // Document is ready
$("a.group").fancybox({
                'overlayShow'                   : true,
                'zoomSpeedIn'                   : 600,
                'zoomSpeedOut'                  : 500,
        });
        });

So i must be missing something here.

Thanks