jquery - Loading spinner works on Chrome and FF but not on IE -

i got simple mvc @html.beginform id of simplespinform stuff. when click on submit button i'm showing loading gif spinns while form submitted. works on chrome , ff in ie stands still. suggestions how can make work on simple way?

my div holds gif:

<div id="myloadingelement" style="display: none">     <img src="/content/ajax-loader.gif" alt="loading..." /> </div> 

my script runs when button clicks:

<script>     $("#simplespinform").submit(function (e) {         $(".maindiv").css("opacity", 0.9).fadein(300, function () {             $("#myloadingelement").show();         });              }); </script>