code: function ( nIn )
  	{
  		var aOut = [];
  		for ( var i=0, iLen=nIn.childNodes.length ; i<iLen ; i++ )
  		{
  			if ( nIn.childNodes[i].nodeName.toUpperCase() == "TR" )
  			{
  				aOut.push( nIn.childNodes[i] );
  			}
  		}
  		return aOut;
  	}
docs: From a given table node (THEAD etc), get a list of TR direct child elements
  @param   {Node} nIn Table element to search for TR elements (THEAD, TBODY or TFOOT element)
  @returns {Array} List of TR elements found
  @private