//<![CDATA[
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
// Called by preloadImages()
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
// Called by changeImages()
	if (browserVers < 4) return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		header_lighthouse_header_nav_coach_over = newImage(imgDir+"header_lighthouse-header_na.jpg");
		header_lighthouse_header_nav_tech_1_over = newImage(imgDir+"header_lighthouse-header-08.jpg");
		header_lighthouse_header_nav_facil_1_over = newImage(imgDir+"header_lighthouse-header-09.jpg");
		header_lighthouse_header_nav_inst_2_over = newImage(imgDir+"header_lighthouse-header-10.jpg");
		header_lighthouse_header_nav_well_1_over = newImage(imgDir+"header_lighthouse-header-11.jpg");
		header_nav_facil_1_over = newImage(imgDir+"header_nav_facil_1-over.jpg");
		header_nav_well_1_over = newImage(imgDir+"header_nav_well_1-over.jpg");
		header_nav_coach_over = newImage(imgDir+"header_nav_coach-over.jpg");
		header_nav_facil_2_header_nav_facil_1_over = newImage(imgDir+"header_nav_facil_2-header_n.jpg");
		header_nav_inst_2_over = newImage(imgDir+"header_nav_inst_2-over.jpg");
		header_nav_well_2_header_nav_inst_2_over = newImage(imgDir+"header_nav_well_2-header_na.jpg");
		header_nav_well_2_header_nav_well_1_over = newImage(imgDir+"header_nav_well_2-header-37.jpg");
		header_nav_well_3_header_nav_well_1_over = newImage(imgDir+"header_nav_well_3-header_na.jpg");
		header_nav_tech_1_over = newImage(imgDir+"header_nav_tech_1-over.jpg");
		header_nav_inst_1_header_nav_inst_2_over = newImage(imgDir+"header_nav_inst_1-header_na.jpg");
		header_nav2_home_over = newImage(imgDir+"header_nav2_home-over.jpg");
		header_nav2_contact_over = newImage(imgDir+"header_nav2_contact-over.jpg");
		header_nav_inst_3_header_nav_inst_2_over = newImage(imgDir+"header_nav_inst_3-header_na.jpg");
		header_nav_tech_2_header_nav_tech_1_over = newImage(imgDir+"header_nav_tech_2-header_na.jpg");
		header_nav2_about_over = newImage(imgDir+"header_nav2_about-over.jpg");
		header_nav2_free_over = newImage(imgDir+"header_nav2_free-over.jpg");
		header_nav2_calend_over = newImage(imgDir+"header_nav2_calend-over.jpg");
		header_nav2_insp_over = newImage(imgDir+"header_nav2_insp-over.jpg");
		header_nav2_site_over = newImage(imgDir+"header_nav2_site-over.jpg");
		header_nav_tech_1_over081 = newImage(imgDir+"header_nav_tech_1-over-81.jpg");

		header_nav_facil_1_down = newImage(imgDir+"header_nav_facil_1-down.jpg");
		header_nav_well_1_down = newImage(imgDir+"header_nav_well_1-down.jpg");
		header_nav_coach_down = newImage(imgDir+"header_nav_coach-down.jpg");
		header_nav_facil_2_header_nav_facil_1_down = newImage(imgDir+"header_nav_facil_2-heade-30.jpg");
		header_nav_inst_2_down = newImage(imgDir+"header_nav_inst_2-down.jpg");
		header_nav_well_2_header_nav_inst_2_down = newImage(imgDir+"header_nav_well_2-header-36.jpg");
		header_nav_well_2_header_nav_well_1_down = newImage(imgDir+"header_nav_well_2-header-38.jpg");
		header_nav_well_3_header_nav_well_1_down = newImage(imgDir+"header_nav_well_3-header-41.jpg");
		header_nav_tech_1_down = newImage(imgDir+"header_nav_tech_1-down.jpg");
		header_nav_inst_1_header_nav_inst_2_down = newImage(imgDir+"header_nav_inst_1-header-48.jpg");
		header_nav2_home_down = newImage(imgDir+"header_nav2_home-down.jpg");
		header_nav2_contact_down = newImage(imgDir+"header_nav2_contact-down.jpg");
		header_nav_inst_3_header_nav_inst_2_down = newImage(imgDir+"header_nav_inst_3-header-59.jpg");
		header_nav_tech_2_header_nav_tech_1_down = newImage(imgDir+"header_nav_tech_2-header-63.jpg");
		header_nav2_about_down = newImage(imgDir+"header_nav2_about-down.jpg");
		header_nav2_free_down = newImage(imgDir+"header_nav2_free-down.jpg");
		header_nav2_calend_down = newImage(imgDir+"header_nav2_calend-down.jpg");
		header_nav2_insp_down = newImage(imgDir+"header_nav2_insp-down.jpg");
		header_nav2_site_down = newImage(imgDir+"header_nav2_site-down.jpg");
		header_nav_tech_1_down082 = newImage(imgDir+"header_nav_tech_1-down-82.jpg");

		preloadFlag = true;
	}
}
<!-- End Preload Script -->

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
// Called just after definition in header (just below)
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//]]>