/*******************************************************************
Description	: This Indicator plots DSS Bressert
Provided By	: Developed by TS Support, LLC for eSignal. (c) Copyright 2002 
********************************************************************/


function preMain()
{
    setStudyTitle("DSS Bressert");
    setCursorLabelName("DSS", 0);
    setCursorLabelName("Trigger", 1);
    setCursorLabelName("Overbought", 2);
    setCursorLabelName("Oversold", 3);
    setDefaultBarFgColor(Color.brown, 0);
    setDefaultBarFgColor(Color.red, 1);
    setDefaultBarFgColor(Color.blue, 2);
    setDefaultBarFgColor(Color.blue, 3);
}

var EMA_1 = 0;
var EMA1_1 = 0;
var EMA2_1 = 0;
vAA = new Array();

function main(pds,slw,triggerLen,overbought,oversold,emalen){
	if (pds == null) 
		pds = 10;
	if (slw == null) 
		slw = 3;
	if (triggerLen == null) 
		triggerLen = 5;
	if (overbought == null) 
		overbought = 80;
	if (oversold == null) 
		oversold = 20;
	if (emalen == null) 
		emalen = 9;
	var vHigh = getValue("High",0,-pds);
	var vLow = getValue("Low",0,-pds);
	var dClose = getValue("Close");
   	var K = 2 / (emalen + 1);
    	var K2 = 2 / (triggerLen + 1);
    	var aa = 0;
    	var dss = 0;
	var High = 0;
	var Low = getValue("Low");
	var aHigh = 0;
	var aLow = 10000000;
	var EMA1 = 0;
	var EMA = 0;
	
	for (i = 0; i < pds; i++){
        	if (High < vHigh[i])
        		High = vHigh[i];
        	if (Low > vLow[i])
        		Low = vLow[i];
	}
   	if((High - Low) != 0)
   		EMA = K * ( (dClose - Low) / (High - Low) ) + (1 - K) * EMA_1;
   	else
   		EMA = EMA_1;
	if (getBarState() == BARSTATE_NEWBAR)
		EMA_1 = EMA;
	aa = EMA * 100;
	for(i = pds - 1; i > 0; i--)
		vAA[i] = vAA[i - 1];
	vAA[0] = aa;
   	for (i = 0; i < pds; i++){
        	if (aHigh < vAA[i])
        		aHigh = vAA[i];
        	if (aLow > vAA[i])
        		aLow = vAA[i];
	}
	if (aHigh - aLow != 0)
		EMA1 = K * ( (aa - aLow) / (aHigh - aLow) ) + (1 - K) * EMA1_1;
	else
		EMA1 = EMA1_1;
	if (getBarState() == BARSTATE_NEWBAR)
		EMA1_1 = EMA1;
	dss = EMA1 * 100;
	var EMA2 = K2 * dss + (1 - K) * EMA2_1;
	if (getBarState() == BARSTATE_NEWBAR)
		EMA2_1 = EMA2;
	return new Array(dss,EMA2,overbought,oversold);
}
/*******************************************************************/