var preloaded = false;
		if (document.images) {
			/*
			about_off = new Image();
			about_off.src = "images/redesign/navAboutOff.gif";
			about_on = new Image();
			about_on.src = "images/redesign/navAboutOn.gif";

			contact_off = new Image();
			contact_off.src = "images/redesign/navContactOff.gif";
			contact_on = new Image();
			contact_on.src = "images/redesign/navContactOn.gif";
			*/
			school_off = new Image();
			school_off.src = "images/redesign/navSchoolOff.gif";
			school_on = new Image();
			school_on.src = "images/redesign/navSchoolOn.gif";

			vocational_off = new Image();
			vocational_off.src = "images/redesign/navVocationalOff.gif";
			vocational_on = new Image();
			vocational_on.src = "images/redesign/navVocationalOn.gif";

			uni_off = new Image();
			uni_off.src = "images/redesign/navUniversityOff.gif";
			uni_on = new Image();
			uni_on.src = "images/redesign/navUniversityOn.gif";

			english_off = new Image();
			english_off.src = "images/redesign/navEnglishOff.gif";
			english_on = new Image();
			english_on.src = "images/redesign/navEnglishOn.gif";

			services_off = new Image();
			services_off.src = "images/redesign/navServicesOff.gif";
			services_on = new Image();
			services_on.src = "images/redesign/navServicesOn.gif";

			studyinAU_off = new Image();
			studyinAU_off.src = "images/redesign/navStudyinAuOff.gif";
			studyinAU_on = new Image();
			studyinAU_on.src = "images/redesign/navStudyinAuOn.gif";

			help_off = new Image();
			help_off.src = "images/redesign/navHelpOff.gif";
			help_on = new Image();
			help_on.src = "images/redesign/navHelpOn.gif";

			members_off = new Image();
			members_off.src = "images/redesign/navMembersOff.gif";
			members_on = new Image();
			members_on.src = "images/redesign/navMembersOn.gif";

			preloaded = true;
		}

	function navOn(nav) {
		if (preloaded) {document.images[nav].src = eval(nav + '_on.src');}
	}

	function navOff(nav) {
		if (preloaded) {document.images[nav].src = eval(nav + '_off.src');}
	}