Jquery is not working on IE8

Question

jQuery Tabs is not working on IE8 - Working fine on FF/Safari/Chrome/ie7 For tab control, I am using Java script: -

<?php
  wp_enqueue_script('jquery-cycle', get_bloginfo('template_directory')  .'/js/jquery.cycle.js',array('jquery','jquery-ui-core','jquery-ui-tabs')); 
?>

in wordpress and using this

jQuery("#tabs").tabs(); 

to call tabs.

help me why its not working on IE8