Adding extra params to custom option select html

Question

I'm working on a custom theme for a client. Is it possible to add extra parameters to the html for the custom options select without having to extend Mage_Core_Block_Html_Select or Mage_Catalog_Block_Product_View_Options_Type_Select?

I can see in Mage_Core_Block_Html::_toHtml() that there is a call to $this->getExtraParams() but I can't seem to find anywhere that I would utilize this.

Is there a simple way to do this?

Answer 1

In the end, I just went ahead an extended the class in a custom module.