Prova così

codice:
<form action="" method="GET">
<input name="page" class="fsearch" type="hidden">
    <div class="alignSearch">
        <input id="fsrc" name="fsrc" class="inputSearch" type="text">
    </div>
    <div class="alignSearch">
        <input class="imgSearch" name="submit" id="submit" type="image" src="images/cercaoff.jpg" alt="Cerca" border="0">
    </div>
</form>