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function UnhideLayer()
{
    var objects = moi.geometryDatabase.getObjects();
    var styleidx = moi.geometryDatabase.activeStyle;
    for ( var i = 0; i < objects.length; ++i ) 
    { 
        var obj = objects.item(i); 
        if ( obj.styleIndex == styleidx ) 
        {
            // unhide warkaround for mesh and soilds 
            if(obj.type = 7)
            {
                var subs = obj.getSubObjects();
                for ( var j = 0; j < subs.length; ++j ) 
                { 
                    var sub = subs.item(j); 
                    sub.hidden = false;
                }
            }
            obj.hidden = false;
        }
    }
}
UnhideLayer();