public void adjustParameterIds()
	{
		if( vars == null )
		{
			return; // no parameters to worry about
		}
		/*TODO Eventually will have a list of Function Id's which require a certain type of parameter*/
		switch( iftab )
		{
			case FunctionConstants.xlfRows:
				for( Ptg var : vars )
				{
					if( vars[0] instanceof PtgRef )
					{
						((PtgRef) vars[0]).setPtgType( REFERENCE );
					}
					else if( vars[0] instanceof PtgName )
					{
						((PtgName) vars[0]).setPtgType( REFERENCE );
					}
					break;
				}
		}
	}