U.Helper

[html]http://yoursite.com/search/?q=haha&m=load

<form action="/search/">
   <input type="text" name="q">
   <input type="hidden" name="m" value="stuff">
   <input type="submit">
</form>

$MODULE_SEARCH_FORM$

<form action="/stuff/" method="post" onsubmit="this.sfSbm.disabled=true"><input type="text" size="20" maxlength="30" name="query"><br><input type="submit" value="Найти" name="sfSbm"><input type="hidden" value="2" name="a"></form>