jquery - Javascript is not loading -

i have provided javascript in page(http://nextrelease.officetimer.com). javascript questions , answers below not working. have given javascipt scr=engine1/accordion.js. please check give solution it. thanks.

you not allow have </script> in javascript

<script>!window.jquery && document.write('<script src="engine1/accordion.js"></script>')</script> 

should be

<script>!window.jquery && document.write('<script src="engine1/accordion.js"><\/script>')</script>