<!--
function _CF_onError(form_object, input_object, object_value, error_message)
{
	alert(error_message);
	return false;	
}

function _CF_hasValue(obj, obj_type)
{
    if (obj_type == "TEXT" || obj_type == "PASSWORD")
	{
    	if (obj.value.length == 0) 
      		return false;
    	else 
      		return true;
    	}
    else if (obj_type == "SELECT")
	{
        for (i=0; i < obj.length; i++)
	    	{
		if (obj.options[i].selected)
			return true;
		}

       	return false;	
	}
  else if (obj_type == "SINGLE_VALUE_RADIO" || obj_type == "SINGLE_VALUE_CHECKBOX")
	{
		if (obj.checked)
			return true;
		else
			return false;	
	}
  
	else if (obj_type == "RADIO" || obj_type == "CHECKBOX")
	{
		for (i=0; i < obj.length; i++)
	  {
			if (obj[i].checked)
			return true;
		}
		
		if (obj.checked)
			return true;
		else
			return false;	
		
		return false;	
    
	}
}

function _CF_checkeurodate(object_value)
{
    //Returns true if value is a eurodate format or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is a date in the dd/mm/yyyy format
	isplit = object_value.indexOf('/');

	if (isplit == -1)
	{
		isplit = object_value.indexOf('.');
	}

	if (isplit == -1 || isplit == object_value.length)
		return false;

    sDay = object_value.substring(0, isplit);

	monthSplit = isplit + 1;

	isplit = object_value.indexOf('/', monthSplit);

	if (isplit == -1)
	{
		isplit = object_value.indexOf('.', monthSplit);
	}

	if (isplit == -1 ||  (isplit + 1 )  == object_value.length)
		return false;

    sMonth = object_value.substring((sDay.length + 1), isplit);

	sYear = object_value.substring(isplit + 1);

	if (!_CF_checkinteger(sMonth)) //check month
		return false;
	else
	if (!_CF_checkrange(sMonth, 1, 12)) // check month
		return false;
	else
	if (!_CF_checkinteger(sYear)) //check year
		return false;
	else
	if (!_CF_checkrange(sYear, 0, null)) //check year
		return false;
	else
	if (!_CF_checkinteger(sDay)) //check day
		return false;
	else
	if (!_CF_checkday(sYear, sMonth, sDay)) //check day
		return false;
	else
		return true;
}

function _CF_checkday(checkYear, checkMonth, checkDay)
{

	maxDay = 31;

	if (checkMonth == 4 || checkMonth == 6 ||
			checkMonth == 9 || checkMonth == 11)
		maxDay = 30;
	else
	if (checkMonth == 2)
	{
		if (checkYear % 4 > 0)
			maxDay =28;
		else
		if (checkYear % 100 == 0 && checkYear % 400 > 0)
			maxDay = 28;
		else
			maxDay = 29;
	}

	return _CF_checkrange(checkDay, 1, maxDay); //check day
}


function _CF_checkinteger(object_value)
{
    //Returns true if value is a number or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is an integer defined as
    //   having an optional leading + or -.
    //   otherwise containing only the characters 0-9.
	var decimal_format = ".";
	var check_char;

    //The first character can be + -  blank or a digit.
	check_char = object_value.indexOf(decimal_format)
    //Was it a decimal?
    if (check_char < 1)
	return _CF_checknumber(object_value);
    else
	return false;
}



function _CF_numberrange(object_value, min_value, max_value)
{
    // check minimum
    if (min_value != null)
	{
        if (object_value < min_value)
		return false;
	}

    // check maximum
    if (max_value != null)
	{
	if (object_value > max_value)
		return false;
	}
	
    //All tests passed, so...
    return true;
}



function _CF_checknumber(object_value)
{
    //Returns true if value is a number or is NULL
    //otherwise returns false	

    if (object_value.length == 0)
        return true;

    //Returns true if value is a number defined as
    //   having an optional leading + or -.
    //   having at most 1 decimal point.
    //   otherwise containing only the characters 0-9.
	var start_format = " .+-0123456789";
	var number_format = " .0123456789";
	var check_char;
	var decimal = false;
	var trailing_blank = false;
	var digits = false;

    //The first character can be + - .  blank or a digit.
	check_char = start_format.indexOf(object_value.charAt(0))
    //Was it a decimal?
	if (check_char == 1)
	    decimal = true;
	else if (check_char < 1)
		return false;
        
	//Remaining characters can be only . or a digit, but only one decimal.
	for (var i = 1; i < object_value.length; i++)
	{
		check_char = number_format.indexOf(object_value.charAt(i))
		if (check_char < 0)
			return false;
		else if (check_char == 1)
		{
			if (decimal)		// Second decimal.
				return false;
			else
				decimal = true;
		}
		else if (check_char == 0)
		{
			if (decimal || digits)	
				trailing_blank = true;
        // ignore leading blanks

		}
	        else if (trailing_blank)
			return false;
		else
			digits = true;
	}	
    //All tests passed, so...
    return true
}

function _CF_checkrange(object_value, min_value, max_value)
{
    //if value is in range then return true else return false

    if (object_value.length == 0)
        return true;


    if (!_CF_checknumber(object_value))
		{
			return false;
		}
    else
		{
			return (_CF_numberrange((eval(object_value)), min_value, max_value));
		}
	
    //All tests passed, so...
    return true;
}


function checkform(_CF_this)
{
  if  (!_CF_hasValue(_CF_this.survey_name, "TEXT" )) 
  {
  	if  (!_CF_onError(_CF_this, _CF_this.survey_name, _CF_this.survey_name.value, "Please enter your Name."))
  	{
  		_CF_this.survey_name.focus();
      return false; 
  	}
  }
  else if  (!_CF_hasValue(_CF_this.survey_email, "TEXT" )) 
  {
  	if  (!_CF_onError(_CF_this, _CF_this.survey_email, _CF_this.survey_email.value, "Please enter your Email."))
  	{
  		_CF_this.survey_email.focus();
  		return false; 
  	}
  }
  else if  (!_CF_hasValue(_CF_this.survey_profession, "TEXT" )) 
  {
  	if  (!_CF_onError(_CF_this, _CF_this.survey_profession, _CF_this.survey_profession.value, "Please enter your Profession."))
  	{
  		_CF_this.survey_profession.focus();
  		return false; 
  	}
  }
  else if  (!_CF_hasValue(_CF_this.ws10VC, "TEXT" )) 
  {
  	if  (!_CF_onError(_CF_this, _CF_this.ws10VC, _CF_this.ws10VC.value, "Please enter correct Verification code."))
  	{
  		_CF_this.ws10VC.focus();
  		return false; 
  	}
  }
  else if  (!_CF_checkinteger(_CF_this.ws10VC.value)) 
  {
  	if  (!_CF_onError(_CF_this, _CF_this.ws10VC, _CF_this.ws10VC.value, "Please enter correct Verification code."))
  	{
  		_CF_this.ws10VC.focus();
  		return false; 
  	}
  }
  
  
  if (confirm("Are you sure you want to submit?")) {
    return true;
  }
  else {
    return false;
  }  
}


//-->