var customNavTree3 = WpNavBar.readTree({
"childArray" : [
{   sTitle:'about us',
    bIsWebPath:true,
    sUrl:'aboutus.html'
},
{   sTitle:'exhibitions',
    bIsWebPath:true,
    sUrl:'exhibitions.html'
},
{   sTitle:'contact us',
    bIsWebPath:true,
    sUrl:'contact us.html'
}]
});