Indicator FX FISH 2MA by scriptor

Hi all, would love to have the excuse of being A newby, but have been addicted to FX for 3 years !! Well I would not trouble the MQL4 community normaly ?, but as tini tiny problems go this one is HUGE, im not very computer literate & dont know how to use spell cheque so if Huge is not wright try jynormouse ?? I love all the different indicators you guys take the trouble to make & share with us all. Mainly I use standard indicators, or a version of them that I already understand the cocept of. I have very little chance of writing my own indicators & am hoping one of you kind guys or girls can explain in laymans terms what I am looking at. The FX FISH 2 MA ? seems to be like MCAD but I cant duplicate it with any settings & also seems similar to slow stochastic that I use of 25/10/5 togerther with 9/5/5 & a normal MCAD setting. This does the same thing but better. The historiagram seems to have a mind of its own sometimes, but the fast line above & below the Zero seems to be great at entrys & exits & more accurate if the slow line is near zero. This with a divergence on CCI, MCAD or divergence on the Histo of fx fish ?? In short this seems to be several indicators in one that I am already using. SO WHATS MY PROBLEM ???

I Dont Know Im just not happy using something I don't understand. Hope someone can help explain

Thanks David

//+------------------------------------------------------------------+
//| FX_FISH_2MA |
//| Copyright © 1999-2007, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ru |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, Kiko Segui"
#property link "webtecnic@terra.es"
//----
#property indicator_separate_window
#property indicator_buffers 5
#property indicator_color1 SteelBlue
#property indicator_color2 Orange
#property indicator_color3 Black
#property indicator_color4 Blue
#property indicator_color5 Red
//----
double buffer1[];
double buffer2[];
double buffer3[];
double MA1buffer[];
double MA2buffer[];
//----
extern int period=10;
extern int price=0; // 0 or other = (H+L)/2
// 1 = Open
// 2 = Close
// 3 = High
// 4 = Low
// 5 = (H+L+C)/3
// 6 = (O+C+H+L)/4
// 7 = (O+C)/2
extern bool Mode_Fast= False;
extern bool Signals= False;
extern int MA1period=9, MA2period=45;
extern string TypeHelp="SMA- 0, EMA - 1, SMMA - 2, LWMA- 3";
extern string TypeHelp2="John Hyden settings TypeMA1=0, TypeMA2=3";
extern int TypeMA1=0;
extern int TypeMA2=3;
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int init()
{
SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID,1,SteelBlue);
SetIndexBuffer(0,buffer1);
SetIndexStyle(1,DRAW_HISTOGRAM,STYLE_SOLID,1,Orange);
SetIndexBuffer(1,buffer2);
SetIndexStyle(2,DRAW_LINE);
SetIndexLabel(2,"line");
SetIndexBuffer(2,buffer3);
SetIndexStyle(3,DRAW_LINE);
SetIndexLabel(3,"MA1 "+MA1period);
SetIndexStyle(4,DRAW_LINE);
SetIndexLabel(4,"MA2 "+MA2period);
SetIndexBuffer(3,MA1buffer);
SetIndexBuffer(4,MA2buffer);
//----
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int deinit()
{
int i;
double tmp;
//----
for(i=0;i<Bars;i++)
{
ObjectDelete("SELL SIGNAL: "+DoubleToStr(i,0));
ObjectDelete("BUY SIGNAL: "+DoubleToStr(i,0));
ObjectDelete("EXIT: "+DoubleToStr(i,0));
}
return(0);
}
double Value=0,Value1=0,Value2=0,Fish=0,Fish1=0,Fish2=0;
int buy=0,sell=0;
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
int i;
int barras;
double _price;
double tmp;
double MinL=0;
double MaxH=0;
double Threshold=1.2;
//----
if(counted_bars>0) counted_bars--;
//barras = Bars;з
barras=Bars-counted_bars;
if (Mode_Fast)
barras=100;
i=0;
while(i<barras)
{
MaxH=High[Highest(NULL,0,MODE_HIGH,period,i)];
MinL=Low[Lowest(NULL,0,MODE_LOW,period,i)];
//----
switch(price)
{
case 1: _price=Open[i]; break;
case 2: _price=Close[i]; break;
case 3: _price=High[i]; break;
case 4: _price=Low[i]; break;
case 5: _price=(High[i]+Low[i]+Close[i])/3; break;
case 6: _price=(Open[i]+High[i]+Low[i]+Close[i])/4; break;
case 7: _price=(Open[i]+Close[i])/2; break;
default: _price=(High[i]+Low[i])/2; break;
}
Value=0.33*2*((_price-MinL)/(MaxH-MinL)-0.5) + 0.67*Value1;
Value=MathMin(MathMax(Value,-0.999),0.999);
Fish=0.5*MathLog((1+Value)/(1-Value))+0.5*Fish1;
buffer1[i]= 0;
buffer2[i]= 0;
//----
if((Fish<0) && (Fish1>0))
{
if (Signals)
{
ObjectCreate("EXIT: "+DoubleToStr(i,0),OBJ_TEXT,0,Time[i],_price);
ObjectSetText("EXIT: "+DoubleToStr(i,0),"EXIT AT "+DoubleToStr(_price,4),7,"Arial",White);
}
buy=0;
}
if ((Fish>0) && (Fish1<0))
{
if (Signals)
{
ObjectCreate("EXIT: "+DoubleToStr(i,0),OBJ_TEXT,0,Time[i],_price);
ObjectSetText("EXIT: "+DoubleToStr(i,0),"EXIT AT "+DoubleToStr(_price,4),7,"Arial",White);
}
sell=0;
}
if (Fish>=0)
{
buffer1[i]=Fish;
buffer3[i]= Fish;
}
else
{
buffer2[i]=Fish;
buffer3[i]= Fish;
}
tmp=i;
if ((Fish<-Threshold) &&
(Fish>Fish1) &&
(Fish1<=Fish2))
{
if (Signals)
{
ObjectCreate("SELL SIGNAL: "+DoubleToStr(i,0),OBJ_TEXT,0,Time[i],_price);
ObjectSetText("SELL SIGNAL: "+DoubleToStr(i,0),"SELL AT "+DoubleToStr(_price,4),7,"Arial",Red);
}
sell=1;
}
if ((Fish>Threshold) &&
(Fish<Fish1) &&
(Fish1>=Fish2))
{
if (Signals)
{
ObjectCreate("BUY SIGNAL: "+DoubleToStr(i,0),OBJ_TEXT,0,Time[i],_price);
ObjectSetText("BUY SIGNAL: "+DoubleToStr(i,0),"BUY AT "+DoubleToStr(_price,4),7,"Arial",Lime);
}
buy=1;
}
Value1=Value;
Fish2=Fish1;
Fish1=Fish;
i++;
}
for(i=0; i<barras; i++)
MA1buffer[i]=iMAOnArray(buffer3,Bars,MA1period,0,TypeMA1,i);
for(i=0; i<barras; i++)
MA2buffer[i]=iMAOnArray(MA1buffer,Bars,MA2period,0,TypeMA2,i);
//----
return(0);
}
//+---------------------------------------------------------