I need an expert advisor

HI 

I am interested to have a signal providor that work with ADX

1st rule when ADX (14) is above level 25  AND THE +DI cross the -DI and +DI IS ABOVE -DI ON(ADX50) TO GET a buy signal

2nd rule when ADX(14) is above level 25 and the -DI cross the+DI and -DI is above +DI  ON (ADX50) TO get a Sell signal

also a pop up on it  to alret the trade

also ability to change the parameter of ADX  from  14 TO 50 TO ..... 

ATTACHED IS a screen shot of what i want this indicator we can find it in exp-ADX CROSSING

but what i want is to filter it cause when ADX14  is under  25 level  we can see a shoppy signlas

Regards

Rami