Вот просто поставим этому span'у нужный id.
<div class="rating" style="float: left;">
<ul class="unit-rating">
<li id="cur-rat$ENTRY_ID$" class="current-rating" style="width: 0px;"></li>
<span id="rt$ENTRY_ID$"><li><a href="#" title="Плохо" class="r1-unit" onclick="_uPostForm('',{url:'/news/0-0-1-$ENTRY_ID$-15-1'});">1</a></li>
<li><a href="#" title="Приемлемо" class="r2-unit" onclick="_uPostForm('',{url:'/news/0-0-2-$ENTRY_ID$-15-1'});">2</a></li>
<li><a href="#" title="Средне" class="r3-unit" onclick="_uPostForm('',{url:'/news/0-0-3-$ENTRY_ID$-15-1'});">3</a></li>
<li><a href="#" title="Хорошо" class="r4-unit" onclick="_uPostForm('',{url:'/news/0-0-4-$ENTRY_ID$-15-1'});">4</a></li>
<li><a href="#" title="Отлично" class="r5-unit" onclick="_uPostForm('',{url:'/news/0-0-5-$ENTRY_ID$-15-1'});">5</a></li></span>
</ul>
</div>
<script type="text/javascript">
document.getElementById('cur-rat$ENTRY_ID$').style.width=$RATING_NUM$*17; // by Vanofuture
</script>
<?if($RATING$)?>
<div class="rating" style="float: left; padding-top: 2px;"> ($RATING$/$RATED$)</div>
<?endif?>