<form role="search" method="get" id="searchform" action="<?php bloginfo('url')?>" name="searchform">
<div class="searchbar">
<input type="text" class="webbox" name="webbox" size="18" value="Search" onclick="sb_focus();" onblur="sb_out();"/>
<button class="btn" title="Web Search" type="submit">Search</button>
</div><!--searchbar-->
</form>
That’s my searchform…
Still it generates webbox in the URL…