.btnsub {
	width:134px;
	height:34px;
    margin-left:40px;
    margin-top:10px;
	background:url(../images/btn_envoyer.jpg) repeat-x;
	border: none;
	cursor:pointer;
}
.btnsub:hover {
    	background:url(../images/btn_envoyer.jpg) repeat-x 0 -34px;
	}