add_action('wp_footer','myscript_in_footer');
function myscript_in_footer(){
?>
<script type="text/javascript">
jQuery(document).ready(function(){
jQuery("div.domTip_tipBody").mouseover(function(){
jQuery("#yyy a.tippy_link").css("background-color","yellow");});
jQuery("div.domTip_tipBody").mouseout(function(){
jQuery("#yyy a.tippy_link").css("background-color","red");
});
});
</script>
<?php
}