#poisk {  
    background:url(http://ucose.ucoz.ru/Iconn/uSE.png) no-repeat;  
    width:293px;    
    height:60px;    
    padding-top:17px;    
    }  

    #forma {  
    background:none;    
    font-size:15px;    
    font-family:Verdana;    
    color:#99958c;    
    margin-left:32px;    
    border:none;    
    }  

    .knp {  
    background:no-repeat;  
    width:60px;  
    height:60px;  
    border:none;    
    position:absolute;    
    top:-0px;  
    }  

    .knp:hover {  
    background: 0px -60px no-repeat;  
    cursor:pointer;    
    }

<form action="http://ВАШ Сайт/news/" id="poisk" method="post">  
    <div style="position:relative;">  
    <input type="text" name="query" id="forma" value="Найти.." onfocus="if(this.value=='search...')this.value=''" onblur="if(this.value=='')this.value='search...'"/>  
    <input class="knp" name="sfSbm" type="submit" value="" />  
    <input name="a" value="14" type="hidden">  
    </div>  
    </form>