var customNavTree20 = WpNavBar.readTree({
"childArray" : [
{   sTitle:'Lens Information',
    bIsWebPath:true,
    sUrl:'lensinformation.html'
},
{   sTitle:'How to measure PD',
    bIsWebPath:true,
    sUrl:'page3.html'
},
{   sTitle:'After the sale',
    bIsWebPath:true,
    sUrl:'afterthesale.html'
},
{   sTitle:'How to fill out order form',
    bIsWebPath:true,
    sUrl:'fillorderform.html',
    sTarget:'_self'
},
{   sTitle:'Downloads',
    bIsWebPath:true,
    sUrl:'downloads.html',
    sTarget:'_self'
}]
});