var global_navtree = WpNavBar.readTree({
"childArray" : [
{   sTitle:'Home',
    bIsWebPath:true,
    sUrl:'index.html'
},
{   sTitle:'Buy Now',
    bIsWebPath:true,
    sUrl:'BuyNow.html',"childArray" : [
    {   sTitle:'Postage',
        bIsWebPath:true,
        sUrl:'postage.html',
        sTarget:'_self'
    }]
},
{   sTitle:'Links',
    bIsWebPath:true,
    sUrl:'page4.html',
    sTarget:'_self'
}]
});