jsp 에서 chrome , ex 따로 이미지, 값 따로 넣고싶을때

<% string browser="" ; 

string useragent=request.getHeader("User-Agent"); 

if (useragent.indexof("trident")> 0 || userAgent.indexOf("MSIE") > 0) {

browser = "IE";

%><div id="mouse_1" style="width:140px; height:140px; text-align: center;"> 

<img src="/img/main/banner3/aaa.png" style="width: 218px; height : 218px; margin-top: -44px; margin-left: 10px; display: inline-block;">

 </div>

 <% } 

else { 

browser="chrome" ; %>

<div id="mouse_1" style="width:140px; height:140px; text-align: center;">

 <img src="/img/main/banner3/bbb.png" style="width: 218px; height : 218px; margin-top: -43.5px; margin-left: -42px; display: inline-block;">

 </div> <% }

 %>