var nav_170tree = WpNavBar.readTree({
"childArray" : [
{   'sTitle':'Home',
    'bIsExternal':true,
    'bIsWebPath':true,
    'sUrl':'index.html'
},
{   'sTitle':'Who We Are',
    'bIsExternal':true,
    'bIsWebPath':true,
    'sUrl':'page2.html',
    'sTarget':'_self'
},
{   'sTitle':'What We Do',
    'bIsExternal':true,
    'bIsWebPath':true,
    'sUrl':'page3.html',
    'sTarget':'_self'
},
{   'sTitle':'Why Choose Us',
    'bIsExternal':true,
    'bIsWebPath':true,
    'sUrl':'page4.html',
    'sTarget':'_self'
},
{   'sTitle':'Our Work',
    'bIsExternal':true,
    'bIsWebPath':true,
    'sUrl':'page19.html',
    'sTarget':'_self',"childArray" : [
    {   'sTitle':'London Map',
        'bIsExternal':true,
        'bIsWebPath':true,
        'sUrl':'page19.html',
        'sTarget':'_self'
    },
    {   'sTitle':'Gallery',
        'bIsExternal':true,
        'bIsWebPath':true,
        'sUrl':'page20.html',
        'sTarget':'_self'
    }]
}]
});