if (document.images) {

	person = new Image();
	person.src = "pictures/S-pers2.jpg";
	persoff = new Image();
	persoff.src = "pictures/S-pers.jpg ";

	abtmeon = new Image();
	abtmeon.src = "pictures/S-abtme2.jpg";
	abtmeoff = new Image();
	abtmeoff.src = "pictures/S-abtme.jpg ";


	geneon = new Image();
	geneon.src = "pictures/S-gene2.jpg";
	geneoff = new Image();
	geneoff.src = "pictures/S-gene.jpg ";

	picson = new Image();
	picson.src = "pictures/S-pics2.jpg";
	picsoff = new Image();
	picsoff.src = "pictures/S-pics.jpg ";

}