forumdisplay.php javascript error

[Mijaex]

<a href="http://www.invoid.net/forum" target="_blank">http://www.invoid.net/forum</a>

it tells me "Object doesnt support this property or method" on line 55x

I have no idea what is wrong :-\

[Lesane]

Take the javascript code away from extreme-dm.com and it will not give you the error anymore.