h1 {
display:none;
}
div#introduction_TITLEHOLDER {
	background-image:url(../core_images/windows/courses/scratch_lab/scratch_lab.gif);
}
div#introduction_CONTENTHOLDER {
	background-image:url(../core_images/windows/CONTENT_HOLDER/351x327.gif);
	background-repeat:no-repeat;
	padding:2px 12px 0px 12px;
	height:327px;
}

div#structure_TITLEHOLDER {
	background-image:url(../core_images/windows/courses/scratch_lab/course_structure.gif);
}
div#structure_CONTENTHOLDER {
	background-image:url(../core_images/windows/CONTENT_HOLDER/351x241.gif);
	background-repeat:no-repeat;
	padding:2px 12px 0px 12px;
	height:241px;
}