var objNavMenu = null;
var prevObjNavMenu = null;
var prevObjDropMenu = null;
var numDropMenu = 8;
////// link styles
var bgLinkColor = '#cccccc';
var bgLinkHover = '#ffffff'
var bgLinkActive = '#000000'
var linkColor = '#000000'
var linkHover = '#00FF00'
var linkActive = '#ffffff'
			
var isIE = null;
var inMenu = false;
var timeoutId = "null"

if (navigator.appName.indexOf('Microsoft Internet Explorer') != -1) isIE=1;

function setCurrentPageMenu() {
	if ("null" != current_page) {
		setImgName = "img"+current_page+"_sel";
		objCurrPageButton = document.getElementById("img"+current_page);
		objCurrPageButton.src = eval(setImgName).src;
	}
}

function initDropMenu () {
	document.onclick = hideDropMenu;
	for (i=1; i<=numDropMenu; i++) {
		menuName = 'dropMenu' + i;
		navName = 'navMenu' + i;
		objDropMenu = document.getElementById(menuName);
		objNavMenu = document.getElementById(navName);
		objDropMenu.style.visibility = 'hidden';
		objNavMenu.onmouseover =  showDropMenu;
		objDropMenu.onmouseover = menuHover;
		objDropMenu.onmouseout = menuOut;
		objNavMenu.onmouseout = menuOut;
	}
	objNavMenu = null;
	return;
}
function checkStatus() {
	if (!inMenu) {
		timeoutId = setTimeout("hideDropMenu()", 10000);
	}
}

function  menuHover(e) {
	document.onclick = null;
	hoverObjNavMenu = document.getElementById(this.id);
	//alert("setting timeout 99999");
	if (timeoutId != "null") { clearTimeout(timeoutId); }
	inMenu = true;
}

function menuOut (e) {
	document.onclick = hideDropMenu;
	inMenu = false;
	checkStatus();
}		
			
function showDropMenu(e) {
	menuName = 'drop' + this.id.substring(3,this.id.length);
	objDropMenu = document.getElementById(menuName);

	if (prevObjNavMenu != objNavMenu) { hideDropMenu(); }
	if (prevObjDropMenu != null) hideDropMenu();

	var imgNavMenuName = 'img'+this.id;
	var selectedImgName = imgNavMenuName+"_sel";
	var imgNavMenu = document.getElementById(imgNavMenuName);
	if ((current_page != "null") && (current_page != imgNavMenuName)) {
		imgNavMenu.src = eval(selectedImgName).src;
	}
	
	objNavMenu = document.getElementById(this.id);
	if (objDropMenu) {
		xPos = getXCoord(objNavMenu) + objNavMenu.offsetLeft;
		yPos = getYCoord(objNavMenu) + objNavMenu.offsetParent.offsetHeight;
		//objDropMenu.style.width = objDropMenu.offsetWidth;
		if (objNavMenu.offsetWidth > objDropMenu.offsetWidth) {
			objDropMenu.style.width = objNavMenu.offsetWidth;
		} 
		objDropMenu.style.left = xPos + 'px';
		objDropMenu.style.top = yPos + 'px';
		objDropMenu.style.visibility = 'visible';
		prevObjDropMenu = objDropMenu;
		prevObjNavMenu = objNavMenu;
	}
}
function resetNavImages() {
    for (i=1; i<=numDropMenu; i++) {
		imgName = 'imgnavMenu' + i;
		objImgNavMenu = document.getElementById(imgName);
		var outImgName = imgName+"_out";
		if ((current_page != "null") && (("img"+current_page) != imgName)) {
			objImgNavMenu.src = eval(outImgName).src;
		}
	}
}			
function hideDropMenu() {
	document.onclick = null;
	resetNavImages();
	if (prevObjDropMenu) {
		prevObjDropMenu.style.visibility = 'hidden';
		prevObjDropMenu = null;
	}
	objNavMenu = null;
}

function getXCoord(imgElem) {
	var xPos = imgElem.offsetLeft;
	var tempEl = imgElem.offsetParent;
        while (tempEl != null) {
		xPos += tempEl.offsetLeft;
	    tempEl = tempEl.offsetParent;
	}
    return xPos;
}

function getYCoord(imgElem) {
	var yPos = eval(imgElem).offsetTop;
    var tempEl = eval(imgElem).offsetParent;
    while (tempEl != null) {
    	yPos += tempEl.offsetTop;
        tempEl = tempEl.offsetParent;
    }
    return yPos;
}			

<!-- end dHTML Nav Menu Functions -->
<!-- pre-loading images -->
function swapImage(e, newImage) {
	e.src = eval(newImage).src;
	return true;
}
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function preloadImages() {
	if (document.images) {
		imgnavMenu1_sel = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/About-over.gif");
		imgnavMenu1_out = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/About.gif");
		imgnavMenu2_sel = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Worldwide-over.gif");
		imgnavMenu2_out = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Worldwide.gif");
		imgnavMenu3_sel = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/ProductsServices-over.gif");
		imgnavMenu3_out = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/ProductsServices.gif");		
		imgnavMenu4_sel = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Newsroom-over.gif");
		imgnavMenu4_out = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Newsroom.gif");
		imgnavMenu5_sel = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Governance-over.gif");
		imgnavMenu5_out = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Governance.gif");		
		imgnavMenu6_sel = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Investor-over.gif");
		imgnavMenu6_out = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Investor.gif");
		imgnavMenu7_sel = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Selling-over.gif");
		imgnavMenu7_out = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Selling.gif");
		imgnavMenu8_sel = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Careers-over.gif");
		imgnavMenu8_out = newImage("http://media.corporate-ir.net/media_files/nys/aig/images/Careers.gif");		
	}
}
<!-- end preload images -->