function preloadImages(){
    //Preload images
    var images = new Array();
    images[0]  = "about-us.gif";
    images[1]  = "bios.gif";
    images[2]  = "blue-man-group.gif";
    images[3]  = "capabilities.gif";
    images[4]  = "contact.gif";
    images[5]  = "experience.gif";
    images[6]  = "fort-point-media.gif";
    images[7]  = "history.gif";
    images[8]  = "international-fund-for-animal-welfare.gif";
    images[9] = "neighborhood-health-plan.gif";
    images[10] = "our-approach.gif";
    images[11] = "pinnacle-foods.gif";

    for (var i = 0; i < images.length; i++){
	var normalImage = new Image();
	var activeImage = new Image();
	normalImage.src = "/images/menu/" + images[i];
	activeImage.src = "/images/menu/active/" + images[i];
    }
}

initMenu = function() {
    //Initialize rollover menu elements
    var listElements = document.getElementById("mainMenu").getElementsByTagName("li");
    for (var i = 0; i< listElements.length; i++) {
	listElements[i].onmouseover = function() {
	    this.className += " menuHover";
	}
	listElements[i].onmouseout = function() {
	    this.className = this.className.replace(new RegExp(" menuHover\\b"), "");
	}
    }
    preloadImages();
}


if (window.attachEvent) {
    window.attachEvent("onload", initMenu);
}
else{
    window.onload = preloadImages;
}