browser = navigator.appName;
ie = "Microsoft Internet Explorer";
netscape = "Netscape";

//Declaring variables for setting and manipulating navigation
var navActive   //Name of active navigation
var timerID     //Timer variable

//Creating a custom object called nav with the methods "name" and "menuExist"
function nav(name, menuExist) {
    this.name = name;
    this.menuExist = menuExist;
}

//Array of all navigation objects with variables "name" and "menuExist"
navItem = new Array()

navItem[0] = new nav('east', 'yes');
navItem[1] = new nav('west', 'yes');
navItem[2] = new nav('other', 'yes');


//Simple function to turn on a <DIV>
function showMenu(navInput) {
    if (browser == netscape) {
        document.layers['M' + navInput].visibility = 'visible';
    }
    else if (browser == ie) {
        document.all['M' + navInput].style.visibility = 'visible';
    }
}

//Simple function to turn off a <DIV>
function hideMenu(navInput) {
    if (browser == netscape) {
        document.layers['M' + navInput].visibility = 'hidden';
    }
    else if (browser == ie) {
        document.all['M' + navInput].style.visibility = 'hidden';
    }
}

//Simple function to turn on an image
function showNav(navInput) {
    
}

//Simple function to turn off an image
function hideNav(navInput) {

}

function activateMenu(navInput) {
    stopTimer()
    for (i = 0; i < navItem.length; i++) {
        if (navItem[i].name == navInput) {
            showNav(navItem[i].name);
            if (navItem[i].menuExist == 'yes') {
                showMenu(navItem[i].name);
            }
        }
        else {
            hideNav(navItem[i].name);
            if (navItem[i].menuExist == 'yes') {
                hideMenu(navItem[i].name);
            }
        }
    }
}

function setTimer(navInput) {
    for (i = 0; i < navItem.length; i++) {
        if (navItem[i].name == navInput && navItem[i].menuExist == 'yes') {
            navActive = navItem[i].name;
            timerID = setTimeout('hideNav(navActive),hideMenu(navActive)', 100);
        }
        else if (navItem[i].name == navInput) {
            navActive = navItem[i].name;
            timerID = setTimeout('hideNav(navActive)', 100);
        }
    }
}

function stopTimer() {
    clearTimeout(timerID);
}