Author:
Eli hayun
The indicator shows possible resistance and support zones in the form of colored rectangles.
//+----------------------------------------------+ //| Indicator input parameters                 | //+----------------------------------------------+ input ENUM_TIMEFRAMES Timeframe=PERIOD_D1;  //Indicator timeframe used for calculations input uint  NumberofBar=1;                //Bar number for the indicator calculation input double Ratio1 = 0.618;                //First ratio input double Ratio2 = 1.382;                //Second ratio input color  Color_Res2 = clrLime;          //The color of the second resistance zone input color  Color_Res1 = clrGreen;        //The color of the first resistance zone input color  Color_Sup1 = clrRed;          //The color of the first support zone input color  Color_Sup2 = clrMagenta;      //The color of the second support zone input uint  RightTail=60;                  //Projection of the rectangles to the right beyond the zero bar, in minutes input uint  LeftTail=60;                  //Projection of the rectangles to the left beyond the starting bar, in minutes
This indicator was first implemented in MQL4 and published in the Code Base at mql4.com on 30.01.2008.
Fig.1. The Fib_SR indicator