anyone help me?

i need a script can change strategy when profit is ex: 0.00300000

like this:


strategy1  >  if total profit is 0.00300000  go to strategy2


strategy2 >  if total profit is 0.00300000  go to strategy 3


strategy3 > if total profit is 0.00300000  go to strategy 1

anyone help me?
tnx for all