Javascript-only way of adding event and passing event context?

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  I'm faced with the daunting task of adding "on change" events to hundreds of fields, a large amount of which require passing the execution context.   I know that this is the way to add an "on change" event to a particular field:
  

  Xrm.Page.data.entity.attributes.get('particularfield').addOnChange(functiontorun);

  But I cannot seem to find a way to also pass any information from the control that calls the event without going through CRM and manually adding it via the web interface.  Is there a Javascript-only solution for this?  I tried traversing arguments[0] but found that arguments[0].getContext.getName() is always equal to "".  I've search all over and haven't found an answer to this yet.

  We are using CRM 2011 UR11.

  Thursday, October 31, 2013 8:45 PM