function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		academic_icon_over = newImage("../images/academic_icon-over.gif");
		student_icon_over = newImage("../images/student_icon-over.gif");
		real_icon_over = newImage("../images/real_icon-over.gif");
		city_icon_over = newImage("../images/city_icon-over.gif");
		restof_icon_over = newImage("../images/restof_icon-over.gif");
		rolltxt_real_icon_over = newImage("../images/rolltxt2-real_icon_over.gif");
		rolltxt_city_icon_over = newImage("../images/rolltxt2-city_icon_over.gif");
		rolltxt_restof_icon_over = newImage("../images/rolltxt2-restof_icon_over.gif");
		rolltxt_academic_icon_over = newImage("../images/rolltxt2-academic_icon_over.gif");
		rolltxt_student_icon_over = newImage("../images/rolltxt2-student_icon_over.gif");
		preloadFlag = true;
	}
}

function Aside(asideurl) {
	asideWindow = window.open(asideurl, 'asideWin', 'scrollbars=yes,width=490,height=400')
    asideWindow.focus()
}

function mapPop() {
	mapWindow = window.open('campusmap_pop.html', 'mapWin', 'toolbar=1,scrollbars=yes,resizable=yes,width=600,height=600')
    mapWindow.focus()
}