function ClearGaleryPhotos() {
	var PhotoGaleryPhotos = document.getElementById( "PhotoGaleryPhotos" );
	if( !PhotoGaleryPhotos ) return;
	var aPhotos = PhotoGaleryPhotos.getElementsByTagName( "img" );
	if( !aPhotos ) return;
	for( var i = 0; i < aPhotos.length; i++ ) {
		with( aPhotos[i].style ) {
			opacity = 0;
			filter = "alpha(opacity=0)";
		}
	}
}

function ShowGaleryPhoto( id ) {
	var img = document.getElementById( "PhotoGalery_" + id.replace( "th", "ph" ) );
	if( !img ) return;
	
	ClearGaleryPhotos();

	with( img.style ) {
		opacity = 1;
		filter = "alpha(opacity=100)";
	}
}