<?if($SEARCH_FORM$)?>  
<form action="/search/" method="post" id="search_form">  
<input type="text" name="query" maxlength="80" value="Поиск по сайту"  
onfocus="if (this.value=='Поиск по сайту') this.value='' "  
onblur="if (this.value==''){this.value='Поиск по сайту'}" />  
<input type="submit" name="submit" value="Search!" />  
</form>  
<?endif?>

form#search_form input[type="text"] {  
background: url(/images/search.png) no-repeat;  
border:none;  
height:35px;  
padding: 0 0 0 80px;  
width:300px;  
font: 12px 'Comic Sans MS', 'Arial';  
  }  

  form#search_form input[type="submit"] {  
display: none;  
  }