# How to acccess childs?

**URL:** <https://forum.kirupa.com/t/how-to-acccess-childs/254013>\
**Category:** flash\
**Created:** [March 7, 2008, 8:50am UTC](https://forum.kirupa.com/t/how-to-acccess-childs/254013 "2008-03-07T08:50:43Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![WoutervD](https://avatars.discourse-cdn.com/v4/letter/w/34f0e0/32.png) [@WoutervD](https://forum.kirupa.com/u/WoutervD)\
**Post date:** [March 7, 2008, 8:50am UTC](https://forum.kirupa.com/t/how-to-acccess-childs/254013/1 "2008-03-07T08:50:43Z")

</div>

Hello,

I have made a few movieclips on the stage with childs (non AS 3.0)  
and now I would like to access these childs with the following script.

```auto
this.mcWebsiteNavigation.mcNavigationContact.addEventListener(MouseEvent.MOUSE_UP, showContact);

function showContact(eHandler:MouseEvent) {
    var req:URLRequest = new URLRequest("http://blog.apsadvertising.nl/#movie");
    navigateToURL(req, '_parent');         
}

```

and now I get the following error

```auto
TypeError: Error #1009: Cannot access a property or method of a null object reference.
    at mcWebsiteClass/::frame60()

```

What am I doing wrong? I just made my move into AS 3.0 so I have got no clue.