//browser detect & serve style sheets

if ((navigator.appName=="Netscape") && ((navigator.appVersion.substr(0,3)+0)<5)){
document.write("<link type='text/css' href='css/wdl_nn4.css' rel='stylesheet'>");
}
else {
document.write("<link type='text/css' href='css/wdl_ie.css' rel='stylesheet'>");
}

//preload rollover images

if (document.images) {
    home = new Image();
    home.src="images/nav_home_on.gif";
    homeOFF = new Image();
    homeOFF.src="images/nav_home.gif";
    directions = new Image();
    directions.src="images/nav_directions_on.gif";
    directionsOFF = new Image();
    directionsOFF.src="images/nav_directions.gif";
    breyer = new Image();
    breyer.src="images/nav_breyer_on.gif";
    breyerOFF = new Image();
    breyerOFF.src="images/nav_breyer.gif";
    bboard = new Image();
    bboard.src="images/nav_bboard_on.gif";
    bboardOFF = new Image();
    bboardOFF.src="images/nav_bboard.gif";
    mailing = new Image();
    mailing.src="images/nav_mailing_on.gif";
    mailingOFF = new Image();
    mailingOFF.src="images/nav_mailing.gif";	
    about = new Image();
    about.src="images/nav_about_on.gif";
    aboutOFF = new Image();
    aboutOFF.src="images/nav_about.gif";
    stables = new Image();
    stables.src="images/nav_stables_on.gif";
    stablesOFF = new Image();
    stablesOFF.src="images/nav_stables.gif";
    customers = new Image();
    customers.src="images/nav_customers_on.gif";
    customersOFF = new Image();
    customersOFF.src="images/nav_customers.gif";						
}

//function to activate images

function imgOn(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + ".src");
    }
}

//function to deactivate images

function imgOff(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName + "OFF.src");
    }
}