function clps( obj ) {
	img = obj.children[0].children[0].children[0].children[0].children[0];
	sub = obj.nextSibling;
	if( sub.style.display == 'none' ) {
		sub.style.display = '';
		img.src = "/assets/templates/medical/images/blue_minus.gif";
	} else {
		sub.style.display = 'none';
		img.src = "/assets/templates/medical/images/blue_plus.gif";
	}
}