I just installed C5 on my webhost and when I tried to edit the "tool box" isn't showing :(

I already tried C5 with Xampp and it works just fiine

when I click Tools> Error Console, it's java script error everywhere (see attachment)

I use latest version of firefox 3.5
I just use the C5 default theme
I use PHP 5.2.9

can you help me?
+ deeply appreciated

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update:

I just found out that NOT ALL THE HOSTING COMPANY CAN SUPPORT CONCRETE5!!!

Right now I already found a new hosting company that support concrete5.

wish me luck ;)