var preloadFlag = false;

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];
		}
	}
}

function preloadImages() {
	if (document.images) {
		im1 = newImage("images/nav/financial-over.gif");
		im2 = newImage("images/nav/letter-over.gif");
		im3 = newImage("images/nav/growth-over.gif");
		im4 = newImage("images/nav/about-over.gif");
		im5 = newImage("images/nav/corpinfo-over.gif");
		
		im6 = newImage("images/nav/profile-on.gif");
		im7 = newImage("images/nav/directors-on.gif");
		im8 = newImage("images/nav/management-on.gif");
		im9 = newImage("images/nav/information-on.gif");
		im10 = newImage("images/nav/growth-on.gif");
		im11 = newImage("images/nav/utilities-on.gif");
		
		im12 = newImage("images/prev_top-over.gif");
		im13 = newImage("images/prev_bot-over.gif");
		im14 = newImage("images/next_top-over.gif");
		im15 = newImage("images/next_bot-over.gif");

		im16 = newImage("images/nav/downloads-over.gif");
		im17 = newImage("images/nav/10k.gif");
		im18 = newImage("images/nav/10k-over.gif");
		im19 = newImage("images/nav/annualreport.gif");
		im20 = newImage("images/nav/annualreport-over.gif");
		im21 = newImage("images/nav/financialreport.gif");
		im22 = newImage("images/nav/financialreport-over.gif");
		im23 = newImage("images/nav/proxystatement.gif");
		im24 = newImage("images/nav/proxystatement-over.gif");
		
		preloadFlag = true;
	}
}

var dl_menu_pause;
var img;
var dl;

function showMenu(num) {
	clearTimeout(dl_menu_pause);
	var img = document.getElementById('nav0');
 	img.src = 'images/nav/downloads-over.gif';
	var dl = document.getElementById('dlmenu');
	dl.style.display = "block";
	resetMenu();
	if (num==3) {
		var img = document.getElementById('nav03');
		img.src='images/nav/proxystatement-over.gif';
	} else if (num==2) {
		var img = document.getElementById('nav02');
		img.src='images/nav/financialreport-over.gif';
	} else if (num==1) {
		var img = document.getElementById('nav01');
		img.src='images/nav/annualreport-over.gif';
	}
 }
 
function hideMenu() {
	resetMenu();
	dl_menu_pause = setTimeout('hideMenuSub()',1000);
 }

function hideMenuSub() {
	var img = document.getElementById('nav0');
 	img.src = 'images/nav/downloads.gif';
	var dl = document.getElementById('dlmenu');
	dl.style.display = "none";
}

function resetMenu() {
	var img = document.getElementById('nav01');
	img.src='images/nav/annualreport.gif';
	var img = document.getElementById('nav02');
	img.src='images/nav/financialreport.gif';
	var img = document.getElementById('nav03');
	img.src='images/nav/proxystatement.gif';
}