if (document.images) {
	homeoff = new Image;
	homeoff.src = "/images/nav/home_off.gif";
	homeon = new Image;
	homeon.src = "/images/nav/home_on.gif";

	collegeoff = new Image;
	collegeoff.src = "/images/nav/college_off.gif";
	collegeon = new Image;
	collegeon.src = "/images/nav/college_on.gif";
	collegeover = new Image;
	collegeover.src = "/images/nav/college_over.gif";

	coursesoff = new Image;
	coursesoff.src = "/images/nav/courses_off.gif";
	courseson = new Image;
	courseson.src = "/images/nav/courses_on.gif";
	coursesover = new Image;
	coursesover.src = "/images/nav/courses_over.gif";

	knowledgeoff = new Image;
	knowledgeoff.src = "/images/nav/knowledge_off.gif";
	knowledgeon = new Image;
	knowledgeon.src = "/images/nav/knowledge_on.gif";
	knowledgeover = new Image;
	knowledgeover.src = "/images/nav/knowledge_over.gif";

	contact_supportoff = new Image;
	contact_supportoff.src = "/images/nav/contact_off.gif";
	contact_supporton = new Image;
	contact_supporton.src = "/images/nav/contact_on.gif";
	contact_supportover = new Image;
	contact_supportover.src = "/images/nav/contact_over.gif";
}