function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}
function changeImages() {
	changeImagesArray(changeImages.arguments);
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_theHomePageOn = newImage('images/nav/theHomePageOn.gif');
		pre_aboutOurSchoolOn = newImage('images/nav/aboutOurSchoolOn.gif');
		pre_schoolCalendarOn = newImage('images/nav/schoolCalendarOn.gif');
		pre_testResultsOn = newImage('images/nav/testResultsOn.gif');
		pre_enrollmentOn = newImage('images/nav/enrollmentOn.gif');
		pre_boardOfDirectorsOn = newImage('images/nav/boardOfDirectorsOn.gif');
		pre_meetOurStaffOn = newImage('images/nav/meetOurStaffOn.gif');
		pre_individualStaffPagesOn = newImage('images/nav/individualStaffPagesOn.gif');
		pre_applyToTeachOn = newImage('images/nav/applyToTeachOn.gif');
		pre_getInvolvedOn = newImage('images/nav/getInvolvedOn.gif');
		pre_volunteerOn = newImage('images/nav/volunteerOn.gif');
		pre_donateOn = newImage('images/nav/donateOn.gif');
		pre_ourSupportersOn = newImage('images/nav/ourSupportersOn.gif');
		pre_newsEventsOn = newImage('images/nav/newsEventsOn.gif');
		pre_contactUsOn = newImage('images/nav/contactUsOn.gif');
		preloadFlag = true;
	}
}