<script>     
function thismod(mod) {     
document.poisk.action='/'+mod+'/';     
switch (mod) {     
case 'blog':     
aa=13;     
break;     
case 'news':     
aa=14;     
break;     
default:     
aa=2;     
}     
document.poisk.a.value=aa;     
}     
</script>     
<form name="poisk" method="post" style="margin: 0px;" action="/news/">     
<input name="query" maxlength="30" size="20" onchange="news" type="text">     
<input name="image" src="ссылка на изображение" title="Поиск по сайту" align="absmiddle" border="0" type="image">     
<input name="a" value="14" type="hidden">