这个页面的代码看不懂。求助
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<script type="text/javascript">
<!--
function changeAction(actionurl,t){
$('#proSearchForm').attr('action');
$('#proSearchForm').attr('action', actionurl);
if(t==1){
$('#mobile_price').attr('name', 'mobile_price');
}else{
$('#mobile_price').attr('name', 'preStoredHfee');
}

}
function changePrice(v){
$('#mobile_price').val(v);
}
function changeBrand(v){
$('#mobile_brand').val(v);
}
function changeSize(v){
$('#mobile_size').val(v);
}

//-->
</script>
<form action="${pageContext.request.contextPath}/shop/product/product_new/prestorehfeePhone.do" id="proSearchForm" name="proSearchForm" method="post">
<input type="hidden" id="mobile_price" name="preStoredHfee" value=""/>
<input type="hidden" id="mobile_brand" name="mobile_brand" value=""/>
<input type="hidden" id="mobile_size" name="mobile_size" value=""/>
</form>

<div class="jxind_midtop_l index_spfl">
  <p class="new_spfl">商品搜索</p>
  <!--商品分类-->
  <dl>
  <dt><img src="${pageContext.request.contextPath}/zbimages/hdlx.gif" /><span class="fbold">活动类型</span></dt>
  <dd>
  <ul class="ind_price">
  <li class="hover" onclick="javascript:changeAction('${pageContext.request.contextPath}/shop/product/product_new/prestorehfeePhone.do',0)">预存送机</li>
  <li onclick="javascript:changeAction('${pageContext.request.contextPath}/shop/product/product_new/showOnlyPhone.do',1)">特惠热卖</li>
  </ul>
  </dd>  
  </dl>
   
  <dl>
  <dt><img src="${pageContext.request.contextPath}/zbimages/jiage.gif" /><span class="fbold">价格</span></dt>
  <dd>
  <ul class="ind_price">
  <li class="hover" onclick="changePrice('');">全部</li>
  <li onclick="changePrice('0');">1000元以下</li>
  <li onclick="changePrice('1');">1001-2000元</li>
  <li onclick="changePrice('2');">2001-3000元</li>
  <li onclick="changePrice('3');">3001-4000元</li>
  <li onclick="changePrice('4');">4001-5000元</li>
  <li onclick="changePrice('5');">5000元以上</li>
  </ul>
  </dd>  
  </dl>
   
  <dl>
  <dt><img src="${pageContext.