function getControlsCAPTCHA(sIDPanelControl, fontName = "Roboto, Condensed", languageToSpeech = "", bAlertError = false) {
		
	var lbResult = false;
	var loPanelCaptcha = (typeof sIDPanelControl == "string") ? document.getElementById(sIDPanelControl.trim()) : (sIDPanelControl.classList.contains("Captcha-center") == true) ? sIDPanelControl : sIDPanelControl.closest(".Captcha-center");
	
	if (loPanelCaptcha != undefined) {
		
		var loUserTextControl = loPanelCaptcha.querySelector("input.Captcha-text-user");
		var loRefreshButton = loPanelCaptcha.querySelector("input.Captcha-text-button");
		var loSpeechButton = loPanelCaptcha.querySelector("input.Captcha-sound-button");
		var loCheckControl = loPanelCaptcha.querySelector("input.Captcha-check-container");

		if (refreshCaptcha(loPanelCaptcha, fontName, bAlertError) == true) {

			if (loRefreshButton != null) {
				
				loRefreshButton.addEventListener('click', function() {
					refreshCaptcha(this, fontName);
				});
			}
			
			if (loUserTextControl != null) {
				
				loUserTextControl.addEventListener('keyup', function(e) {
					checkCaptchaReturnKey(e,this);
					});
					
				loUserTextControl.addEventListener('blur', function() {
					checkCaptcha(this);
				});
			}

			if (loSpeechButton != null) {

				loSpeechButton.addEventListener('click', function() {
					speechText(this, languageToSpeech);
				});
			}
			
			if (loCheckControl != null) {
				
				loCheckControl.addEventListener('change', function() {
					this.parentNode.querySelector("input.Captcha-text-user").focus();
				});
			}
			
		}
		
	} 
	else
		if (bAlertError)
			alert ("No " + sIDControl + " CAPTCHA panel control found.");
		
	return lbResult;
}

function speechText(sIDPanelControl, languageToSpeech = "", bAlertError = false) {

	var lbResult = false;
	var loPanelCaptcha = (typeof sIDPanelControl == "string") ? document.getElementById(sIDPanelControl.trim()) : (sIDPanelControl.classList.contains("Captcha-center") == true) ? sIDPanelControl : sIDPanelControl.closest(".Captcha-center");

	if (loPanelCaptcha != undefined) {
		
		var textCtrlToSpeech = loPanelCaptcha.querySelector("input.Captcha-text-user")

		if ((captchaValue =  atob(textCtrlToSpeech.defaultValue)).length > 0) {

			let lsText = "";
			let lsUpper = "";
			
			switch(((languageToSpeech.length > 0)  ? languageToSpeech : navigator.language).toLowerCase()) {
				case "es":
					lsUpper = "may\u00FAscula";
					break;
				
				default:
					lsUpper = "Upper case";
					break;
			}

			lArrayCaptcha = captchaValue.split('');
			
			for(let sCaracter of lArrayCaptcha)
				lsText = lsText + ((sCaracter == sCaracter.toLowerCase()) ? sCaracter : sCaracter + " " + lsUpper) + "!, ";
			
			var captchaUtterance = new SpeechSynthesisUtterance(lsText);
			captchaUtterance.lang = languageToSpeech; 
			captchaUtterance.rate = 0.7;
			speechSynthesis.speak(captchaUtterance);	
		}
		
	} else
		if (bAlertError)
			alert ("No CAPTCHA panel control found.");

	return lbResult;
}


function checkCaptchaReturnKey(eventData, sIDPanelControl, bAlertError = false)
{
	
	var lbResult = false;
	var loPanelCaptcha = (typeof sIDPanelControl == "string") ? document.getElementById(sIDPanelControl.trim()) : (sIDPanelControl.classList.contains("Captcha-center") == true) ? sIDPanelControl : sIDPanelControl.closest(".Captcha-center");
	
	if (loPanelCaptcha != undefined) {
		
		loPanelCaptcha.querySelector("input.Captcha-text-button").disabled = (loPanelCaptcha.querySelector("input.Captcha-text-user").value.length == 0);
		
		if (eventData.keyCode === 13)
			lbResult = checkCaptcha(loPanelCaptcha);
		else
			lbResult = true;
	
	} else
		if (bAlertError)
			alert ("No CAPTCHA panel control found.");

	return lbResult;
}


function checkCaptcha(sIDPanelControl, successFunction = undefined, sSuccessText = "Correct!", sErrorText = "Incorrect, please try again", bAlertError = false)
{

	var lbResult = false;
	var loPanelCaptcha = (typeof sIDPanelControl == "string") ? document.getElementById(sIDPanelControl.trim()) : (sIDPanelControl.classList.contains("Captcha-center") == true) ? sIDPanelControl : sIDPanelControl.closest(".Captcha-center");
	
	if (loPanelCaptcha != undefined) {
		
		var outputCtrl = loPanelCaptcha.querySelector("p.Captcha-messages");
		var userCtrl = loPanelCaptcha.querySelector("input.Captcha-text-user");
		var checkCtrl = loPanelCaptcha.querySelector("input.Captcha-check-container");
		
		if (outputCtrl != null && userCtrl != null && checkCtrl != null) {
		
			if (userCtrl != null && userCtrl.value ===  atob(userCtrl.defaultValue)){
				
				if (outputCtrl != null)
				{
					
					outputCtrl.style.color = "green";
					outputCtrl.innerHTML = sSuccessText;
					userCtrl.setCustomValidity('');
					
				}
				
				if (successFunction != undefined)
					successFunction.call();
				
				lbResult = true;
				
			} else {
				
				if (checkCtrl.checked == false && document.querySelector("input.Captcha-text-button").disabled == false)
					checkCtrl.checked = true;
				
				if (outputCtrl != null )
				{
					outputCtrl.style.color = "red";
					outputCtrl.innerHTML = sErrorText;
					userCtrl.setCustomValidity(sErrorText);

				}
				
				lbResult = false;
			}
			
		} else
			if (bAlertError)
				alert ("CAPTCHA panel haven´t the correct controls.");
			
	} else
		if (bAlertError)
			alert ("No CAPTCHA panel control found.");

	return lbResult;
	
}

function refreshCaptcha(sIDPanelControl, fontName = "Roboto, Condensed", bAlertError = false) {

	var lbResult = false;
	var loPanelCaptcha = (typeof sIDPanelControl == "string") ? document.getElementById(sIDPanelControl.trim()) : (sIDPanelControl.classList.contains("Captcha-center") == true) ? sIDPanelControl : sIDPanelControl.closest(".Captcha-center");
	
	if (loPanelCaptcha != null) {

		var captchaTextCtrl =loPanelCaptcha.querySelector(".Captcha-canvas-container");
		var userCtrl =loPanelCaptcha.querySelector(".Captcha-text-user");
		var outputCtrl =loPanelCaptcha.querySelector(".Captcha-messages");
		
		if (captchaTextCtrl != null && userCtrl != null && outputCtrl != null) {

			var textCtrl = captchaTextCtrl.getContext("2d");
			textCtrl.translate(0,0);
			userCtrl.value = "";
				
			var alphaNumsArr = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];    
			var colorNumsArr = ['#FAC900', '#2E2E3B' ,'#174A63','#5F425E','#33957D', "#FF8626"];
			var anglesNumArr = [0.3,0.2,0.1,0,-0.1,-0.2,-0.3];
			var fontsSizeNumsArr = [-1,50,52.48,50,50];
			var heigthNums = [20,0,-20];
			
			var alphaRefreshArr = [];
			var colorRefreshArr = [];
			var anglesRefreshArr = [];
			var fontsSizeRefreshArr = [];
			var heigthRefreshArr = [];
			
			var metrics = null;
			var totalWidth = captchaTextCtrl.width;
			
			textCtrl.font = "50px " + fontName;
			
			for (let j = 1; j <= 7; j++) {
				alphaRefreshArr.push(alphaNumsArr[Math.floor(Math.random() * alphaNumsArr.length)]);
				colorRefreshArr.push(colorNumsArr[Math.floor(Math.random() * colorNumsArr.length)]);
				anglesRefreshArr.push(anglesNumArr[Math.floor(Math.random() * anglesNumArr.length)]);
				fontsSizeRefreshArr.push(fontsSizeNumsArr[Math.floor(Math.random() * fontsSizeNumsArr.length)]);
				heigthRefreshArr.push(heigthNums[Math.floor(Math.random() * heigthNums.length)]);
				
				textCtrl.fillStyle = colorRefreshArr[j-1];
				
				metrics = textCtrl.measureText(alphaRefreshArr[j-1]);
				totalWidth = totalWidth - metrics.width;
				
			}
			
			var textCAPTCHA = alphaRefreshArr.join('');
			var spaceWidth = totalWidth/(alphaRefreshArr.length + 2);
			
			textCtrl.fillStyle = "white";
			textCtrl.fillRect(0, 0, captchaTextCtrl.width, captchaTextCtrl.height);
			
			var mediumHeight = captchaTextCtrl.height/1.55;
			var widthPosition = 0;
			var heightPosition = 0;

			for (let j = 7; j >= 1; j--) {
				
				textCtrl.fillStyle = colorRefreshArr[j-1];
				
				textCAPTCHA = textCAPTCHA.substring(0,textCAPTCHA.length - 1);
				metrics = textCtrl.measureText(textCAPTCHA);
				widthPosition = (metrics.actualBoundingBoxRight - metrics.actualBoundingBoxLeft) + ( (j+1) * spaceWidth);
				heightPosition = mediumHeight + heigthRefreshArr[j-1];

				textCtrl.translate(widthPosition, heightPosition);
				
				textCtrl.rotate(anglesRefreshArr[j-1]);
				
				if (fontsSizeRefreshArr[j-1] == -1)
				{
					textCtrl.font = "50px " + fontName;
					textCtrl.strokeText(alphaRefreshArr[j-1], 0, 0);
				} else {
					textCtrl.font = fontsSizeRefreshArr[j-1] + "px " + fontName;
					textCtrl.fillText(alphaRefreshArr[j-1], 0, 0);
				}

				textCtrl.rotate(-1 * anglesRefreshArr[j-1]);
				
				textCtrl.translate(-widthPosition, -heightPosition);
			}

			userCtrl.defaultValue = btoa(alphaRefreshArr.join(''));
			userCtrl.setCustomValidity('Type the exact text');
			
			if (outputCtrl != null)
				outputCtrl.innerHTML = "";
			
			lbResult = true;
			
		} else
			if (bAlertError)
				alert ("CAPTCHA panel haven´t the correct controls.");
			
	} else
		if (bAlertError)
			alert ("No CAPTCHA panel control found.");

	return lbResult;
	
}