code: function(parent, text, editor, functName, arg, pad)
  	{
  		return mxUtils.link(parent, text, function()
  		{
  			editor[functName](arg);
  		}, pad);
  	}
docs: Function: linkInvoke
  
  Adds a hyperlink to the specified parent that invokes the specified
  function on the editor passing along the specified argument. The
  function name is the name of a function of the editor instance,
  not an action name.
  
  Parameters:
  
  parent - DOM node to contain the new link.
  text - String that is used as the link label.
  editor - <mxEditor> instance to execute the function on.
  functName - String that represents the name of the function.
  arg - Object that represents the argument to the function.
  pad - Optional left-padding for the link. Default is 0.