Home page form controls does not comply with WAI 12.4 (AA), US-508-n

Sample code:

166 <div>
166 <input name="id" type="hidden" value="1" />
166 [WAI 12.4 (AA), US-508-n] Associate form controls with <label> tags using the 'id' attribute:
<input name="search" type="text" size="16" />
166 [WAI 12.4 (AA), US-508-n] Associate form controls with <label> tags using the 'id' attribute:
<button type="submit" title="Search">
166 Go
166 </button>