var cacheImage = new Array(4);
var fileName = new Array('exhibitor_info-sel.gif', 'show_info-sel.gif', 'contact-sel.gif', 'job_bank-sel.gif');
var i;

for (i = 0; i < fileName.length; i++) {
	cacheImage[i] = new Image();
	cacheImage[i].src = '../images/nav/' + fileName[i];
}

function refreshFrames(activeLink) {
	s = parent.ads.location.toString();
	if (s.indexOf('cover.html') == -1) {
		parent.ads.location = '../html/cover.html';
	}
	parent.nav2.location = '../php/nav2.php?active_link=' + activeLink;
	location = '../php/nav1.php?active_link=' + activeLink;

	parent.find.location = '../html/blank.html';
	parent.document.getElementById('innerFrameset').rows = "157,0,*";
}