I need an expert advisor for MetaTrader 4.

Whenever there is a cross of the +DI and -DI on the ADX indicator, the expert advisor will 
close any open orders for the currency pair it is attached to. 

The expert advisor must be able to run on different currency pairs at the same time (running on EUR/USD and USD/CAD etc)
so it must only close the order for the chart its attached to. 
	
	Ex: If attached to EUR/USD it must only close EUR/USD orders.


Only one trade will be open on any given currency pair at a time.

The expert advisor should not automatically create new orders. 


The adjustable inputs will include: 
	
	1. ADX Period