var nav_168tree = WpNavBar.readTree({
"childArray" : [
{   'sTitle':'Home',
    'bIsExternal':true,
    'bIsWebPath':true,
    'sUrl':'index.html'
},
{   'sTitle':'Contact Us',
    'bIsExternal':true,
    'bIsWebPath':true,
    'sUrl':'contact_us.html'
},
{   'sTitle':'Site Map',
    'bIsExternal':true,
    'bIsWebPath':true,
    'sUrl':'site_map.html',
    'sTarget':'_self'
}]
});