Invoke JavaScript Function

Question

Hi,

     I want to invoke Javascript function in Document. Basically I use Webbrowser Control to Navigate to specified site and put value on page and now I want to press Submit Button.
   The Html Code for Button in targeted page is as :

<a id='Default' class='LargeBtnTextActive' href='javascript:pageLevelSubmit(this, "find","true", "9447");'oprscope='single' >
	Submit</a>

So How to call PageLevelSubmit Function.

Thanks,

  VIkram