#searchwrapper {
width:201px; /*follow your image's size*/
height:31px;/*follow your image's size*/
background-image:url(images/btn_search_box.gif);
background-repeat:no-repeat; /*important*/
padding:0px;
margin:0px;
position:relative; /*important*/
}
#searchwrapper form { display:inline ; }
.searchbox {
border:0px; /*important*/
background-color:transparent; /*important*/
position:absolute; /*important*/
top:6px;
left:7px;
width:160px;
height:25px;
}
.searchbox_submit {
border:0px; /*important*/
background-color:transparent; /*important*/
position:absolute; /*important*/
top:3px;
left:168px;
width:24px;
height:25px;
}