.some_classs {
	behavior: url(js/PIE.htc);
	position: relative;
}

#form .invalid .error-message, #form .empty .empty-message {
	display: block;
}

#form .error-message, #form .empty-message {
	display: none;
}

a.gal:hover img { 
	filter:progid:DXImageTransform.Microsoft.Alpha(opacity=20);

}

.camera_prev:hover,
.camera_next:hover  {
	filter:progid:DXImageTransform.Microsoft.Alpha(opacity=50);
}