Please help me with a expert
Name 
 (Davids cross)
1 
when 9MAW  cross above the 13 period 
exponential envelope, horizontal shift +2 for a BUY
2 
when 9MAW cross below the 13 period exponential envelope, horizontal shift +2 
for a SELL
3 
put a audio alert when this happens, make so I can turn the audio alert on or 
off
4 
make it so that I can change the number of the periods of the MA and the 
envelope 
 
2nd 
part
 
1 
when MA W 5 period cross above MA W 20 periods for a BUY
2 
when MA w  5 period cross below MA W 
20 periods for a SELL
3 
put a audio alert when this happens, Make so I can turn the audio alert on or 
off independently from the first audio alert
4 
make it so that I can change the number of the periods of the MA and the 
2nd MA
 
MA 
=Moving Average
W=weighted
Thanks for you help
Barry Vincent