.recaptchatable .recaptcha_r7_c1 {
_background:transparent url(http://api.recaptcha.net/img/blackglass/sprite.png) no-repeat scroll -43px -155px;
_height:0px;
width:171px;
overflow: hidden;
}
.recaptchatable .recaptcha_r8_c1 {
_background:transparent url(http://api.recaptcha.net/img/blackglass/sprite.png) no-repeat scroll -43px -155px;
height:0px;
width:25px;
}