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_SECTION_BEGIN("Support and Resistance"); LB= Param("Look Back Periods",10,1,30,1); R=ValueWhen(Cross(MA(C,LB),C),HHV(H,LB),1); S=ValueWhen(Cross(C,MA(C,LB)),LLV(L,LB),1); Color=IIf(O>C,colorBlack,colorYellow); Plot (R,"Resz",22,8+16); Plot (s,"Supp",19,8+16); Plot (C,"Close",color,64,32); GraphXSpace=4; _SECTION_END();