Improve the look of the language selection flags

webapp/web/templates/freemarker/page/partials/languageSelector.ftl

@@ -9,14 +9,12 @@
 <#-- This is included by identity.ftl --> 
 <#if selectLocale??>
     <li>
-      <form method="get" action="${selectLocale.selectLocaleUrl}" >
       <#list selectLocale.locales as locale>
-          <button type="submit" name="selection" value="${locale.code}">
+        <a href="${selectLocale.selectLocaleUrl}?selection=${locale.code}">
           <img src="${locale.imageUrl}" height="15" align="middle" alt="${locale.label}"/>
-          </button>
+        </a>
         <#if locale_has_next>|</#if>
       </#list>
-      </form>
     </li>
 </#if>