img { margin:0; padding:0; border:0; }
#js_F {
 position:relative;
 top:0px; left:0px;
 overflow:hidden;
 width:740 px; height:92px;
 background:#33c;
}
#js_F img{
 position:absolute;
 top:0; left:0;
 width:740 px; height:92px;
}