turtle trading for Amibroker (AFL)

//taken from http://web.me.com/araneus1/spiderstradingweb/Smallcorner/Entries/2006/8/31_The_Turtle_Corner.html

Capital = 100000;

pctFluctation = 1;

Buy = H > Ref(HHV(H, 20), -1);

Sell = L < Ref(LLV(L, 10), -1);

N = ATR(20);

ApplyStop(stopTypeLoss, stopModePoint, 2* N, 0);

numshrs = Capital * pctFluctation / (100 * N);

SetPositionSize(numshrs ,spsShares);