ie和火狐兼容问题！！！！！

<div class="center_bigpic_r_tuan">
  
  <div style="width:221px;">
<div><A  id="huo003" style="width:110px; height:30px; background:#fffae9;border-bottom:1px solid #e6e5ea; border-right:1px solid #e6e5ea;  display:block; float:left; color:#000; line-height:30px; text-align:center; font-size:14px; font-weight:800; text-decoration:none;"  onmouseover="selectTag('tagContent0','huo003')" href="/GroupBuyProducts.aspx">每周团购</A> <A id="huo004"  style="width:110px; height:30px; background:#ffffff; display:block; float:left; color:#000; border-bottom:1px solid #e6e5ea; line-height:30px; text-align:center; font-size:14px; font-weight:800; text-decoration:none;"  onmouseover="selectTag('tagContent1','huo004')" href="/CountDownProducts.aspx">今日秒杀</A> </div>
   
          <DIV  style="display:block; overflow:hidden; width:210px; height:220px; margin-left:6px;" id=tagContent0>
    团购

          </DIV>         
<DIV style="display:none; overflow:hidden; width:210px; height:220px; margin-left:6px;" id=tagContent1>         
秒杀
        </DIV>        
</div>
<SCRIPT type=text/javascript>
function selectTag(showContent,selfObj){
document.getElementById("tagContent0").style.display = "none";
document.getElementById("tagContent1").style.display = "none";
document.getElementById("huo003").style.background = "#ffffff";
document.getElementById("huo004").style.background = "#ffffff";
document.getElementById(selfObj).style.background = "#fffae9";
document.getElementById(showContent).style.display = "block";}
</SCRIPT>
  </div>
  </div>
  </div>
这个在ie和火狐上浏览的效果怎不一样呢谢谢