// common validation functions

function checkRequired(control, fieldName, required) {

	var value = control.value;

	if (isEmpty(value) && required) {

		return handleValidationError(control, getMsgRequiredField(fieldName));
	}

    return true;
}



function validateLength(control, fieldName, min, max, errorMsg, required)

{

	var tmpValue = control.value;

	if (isEmpty(tmpValue)) {

		return checkRequired(control, fieldName, required);

	}

	return validateLengthOfValue(control, fieldName, min, max, errorMsg);

}



function validateLengthOfValue(control, fieldName, min, max, errorMsg)

{

	var result = true;

	if(min > -1) {

	    if (control.value.length < min) {

	    	result = handleValidationError(control, getMsgValueTooShort(fieldName, min)+"\r\n"+errorMsg);
	    }

	}

	if(max > -1 && result) {

	    if (control.value.length > max) {

	    	result = handleValidationError(control, getMsgValueTooLong(fieldName, max)+"\r\n"+errorMsg);
	    }
	}

	return result;

}



function validateRangeInt(control, fieldName, min, max, errorMsg, required)

{

	var tmpValue = control.value;

	if (isEmpty(tmpValue)) {

		return checkRequired(control, fieldName, required);

	}

    var intVal = parseInt(tmpValue,10);

    if (isNaN(intVal) || intVal < min || intVal > max) {

    	return handleValidationError(control, errorMsg.length > 0 ? errorMsg : getMsgValidRange(fieldName, min, max));
    } else {

        return true;

    }

}



function validateRangeFloat(control, fieldName, min, max, errorMsg, required)

{

	var tmpValue = control.value;

	if (isEmpty(tmpValue)) {

		return checkRequired(control, fieldName, required);

	}

	tmpValue = deleteTausenderPunktalan(tmpValue);

	tmpValue = tmpValue.replace(",",".");

	tmpValue = Number(tmpValue);

    if (isNaN(tmpValue) || tmpValue < min || tmpValue > max) {

    	return handleValidationError(control, errorMsg.length > 0 ? errorMsg : getMsgValidRange(fieldName, formatDecimal(min), formatDecimal(max)));
    }

    else {

        return true;

    }

}



function validateRangeCurrency(control, fieldName, min, max, errorMsg, required)

{

	var tmpValue = control.value;

	if (isEmpty(tmpValue)) {

		return checkRequired(control, fieldName, required);

	}

	tmpValue = deleteTausenderPunktalan(tmpValue);

	tmpValue = tmpValue.replace(",","");

	tmpValue = Number(tmpValue);

    if (isNaN(tmpValue) || tmpValue < min || tmpValue > max) {

    	return handleValidationError(control, errorMsg.length > 0 ? errorMsg : getMsgValidRange(fieldName, formatLongToBetrag(min), formatLongToBetrag(max)));

	} else {

    	return true;

	}

}



function validatePattern(control, fieldName, pattern, errorMsg)

{

    var parser = new RegExp(pattern, "");

    if (!parser.test(control.value)) {

    	return handleValidationError(control, errorMsg.length > 0 ? errorMsg : getMsgInvalidField(fieldName));
    }

    else {

        return true;

    }

}



function validatePatternLength(control, fieldName, pattern, min, max, errorMsg, required)

{

	var tmpValue = control.value;

	if (isEmpty(tmpValue)) {

		return checkRequired(control, fieldName, required);

	}

	return validateLengthOfValue(control, fieldName, min, max, errorMsg) &&

		   validatePattern(control, fieldName, pattern, errorMsg);

}



function encodeURIComponentSD(href)

{

	var rep = encodeURI(href);

	// this caracters also have to be masked

	// rep = " ,, // ?? :: @@ && == ++ $$ ";

	rep = replaceAll(rep, "/\\,/", "%2C");

	rep = replaceAll(rep, "/\\//", "%2F");

	rep = replaceAll(rep, "/\\?/", "%3F");

	rep = replaceAll(rep, "/\\:/", "%3A");

	rep = replaceAll(rep, "/\\@/", "%40");

	rep = replaceAll(rep, "/\\&/", "%26");

	rep = replaceAll(rep, "/\\=/", "%3D");

	rep = replaceAll(rep, "/\\+/", "%2B");

	rep = replaceAll(rep, "/\\$/", "%24");

	return rep;

}

function replaceAll(str, expr, strrep) {

	var x = 0;

	// "|| x < 1000" ==> anticipates infinite loop

	while(str.match(expr) || x < 1000) {

		str = str.replace(eval(expr), strrep);

		x++;

	}

	return str;

}


var allInOneErrorMessagesEnabled = false; //default

function handleValidationError(control, errorMsg) {
	if (allInOneErrorMessagesEnabled) {
		addValidationError(control, errorMsg);
		return true;
	} else {
		doFocus(control, errorMsg);
		return false;
	}
}