// Form Validation JavaScript



function EW_onError(form_object, input_object, object_type, error_message)

    {

		alert(error_message);

        if (object_type == "RADIO" || object_type == "CHECKBOX") {

        	if (input_object[0])

				input_object[0].focus();

			else

				input_object.focus();

		}

		else

			input_object.focus();

		if (object_type == "TEXT" || object_type == "PASSWORD")

			input_object.select();		

       	return false;	

    }





function EW_hasValue(obj, obj_type)

    {

    if (obj_type == "TEXT" || obj_type == "PASSWORD" || obj_type == "TEXTAREA")

	{

    	if (obj.value.length == 0) 

      		return false;

    	else 

      		return true;

    	}

    else if (obj_type == "SELECT")

	{

		if (obj.selectedIndex == 0)

			return false;

		else

       		return true;	

	}   

    else if (obj_type == "RADIO" || obj_type == "CHECKBOX")

	{

        if (obj[0])

		{

			for (i=0; i < obj.length; i++)

		    	{

			if (obj[i].checked)

				return true;

			}

		}

		else

		{

			if (obj.checked)

				return true;

			else

	       		return false;	

		}

       	return false;	

	}

	}



	

// Date (mm/dd/yyyy)

function EW_checkusdate(object_value)

    {

    if (object_value.length == 0)

        return true;



   	isplit = object_value.indexOf('/');



	if (isplit == -1 || isplit == object_value.length)

		return false;



    sMonth = object_value.substring(0, isplit);



	if (sMonth.length == 0)

        return false;



	isplit = object_value.indexOf('/', isplit + 1);



	if (isplit == -1 || (isplit + 1 ) == object_value.length)

		return false;



    sDay = object_value.substring((sMonth.length + 1), isplit);



	if (sDay.length == 0)

        return false;



	sYear = object_value.substring(isplit + 1);



	if (!EW_checkinteger(sMonth)) 

		return false;

	else

	if (!EW_checkrange(sMonth, 1, 12)) 

		return false;

	else

	if (!EW_checkinteger(sYear)) 

		return false;

	else

	if (!EW_checkrange(sYear, 0, 9999)) 

		return false;

	else

	if (!EW_checkinteger(sDay)) 

		return false;

	else

	if (!EW_checkday(sYear, sMonth, sDay))

		return false;

	else

		return true;

    }



	

// Date (yyyy/mm/dd)

function EW_checkdate(object_value)

    {

    if (object_value.length == 0)

        return true;



	isplit = object_value.indexOf('/');



	if (isplit == -1 || isplit == object_value.length)

		return false;



    sYear = object_value.substring(0, isplit);



	isplit = object_value.indexOf('/', isplit + 1);



	if (isplit == -1 || (isplit + 1 ) == object_value.length)

		return false;



    sMonth = object_value.substring((sYear.length + 1), isplit);

	

	if (sMonth.length == 0)

        return false;



	sDay = object_value.substring(isplit + 1);

	

	if (sDay.length == 0)

        return false;



	if (!EW_checkinteger(sMonth)) 

		return false;

	else

	if (!EW_checkrange(sMonth, 1, 12)) 

		return false;

	else

	if (!EW_checkinteger(sYear)) 

		return false;

	else

	if (!EW_checkrange(sYear, 0, 9999)) 

		return false;

	else

	if (!EW_checkinteger(sDay)) 

		return false;

	else

	if (!EW_checkday(sYear, sMonth, sDay))

		return false;

	else

		return true;

    }





// Date (dd/mm/yyyy)

function EW_checkeurodate(object_value)

    {

    if (object_value.length == 0)

        return true;



	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 (!EW_checkinteger(sMonth)) 

		return false;

	else

	if (!EW_checkrange(sMonth, 1, 12)) 

		return false;

	else

	if (!EW_checkinteger(sYear)) 

		return false;

	else

	if (!EW_checkrange(sYear, 0, null)) 

		return false;

	else

	if (!EW_checkinteger(sDay)) 

		return false;

	else

	if (!EW_checkday(sYear, sMonth, sDay)) 

		return false;

	else

		return true;

    }







function EW_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 EW_checkrange(checkDay, 1, maxDay); 

    }







function EW_checkinteger(object_value)

    {

    if (object_value.length == 0)

        return true;



	var decimal_format = ".";

	var check_char;



	check_char = object_value.indexOf(decimal_format)

    if (check_char < 1)

	return EW_checknumber(object_value);

    else

	return false;

    }







function EW_numberrange(object_value, min_value, max_value)

    {

    if (min_value != null)

	{

        if (object_value < min_value)

		return false;

	}



    if (max_value != null)

	{

	if (object_value > max_value)

		return false;

	}

	

    return true;

    }







function EW_checknumber(object_value)

    {

    if (object_value.length == 0)

        return true;



	var start_format = " .+-0123456789";

	var number_format = " .0123456789";

	var check_char;

	var decimal = false;

	var trailing_blank = false;

	var digits = false;



	check_char = start_format.indexOf(object_value.charAt(0))

	if (check_char == 1)

	    decimal = true;

	else if (check_char < 1)

		return false;

        

	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)

				return false;

			else

				decimal = true;

		}

		else if (check_char == 0)

		{

			if (decimal || digits)	

				trailing_blank = true;

		}

	    else if (trailing_blank)

			return false;

		else

			digits = true;

	}	



    return true

    }







function EW_checkrange(object_value, min_value, max_value)

    {

    if (object_value.length == 0)

        return true;



    if (!EW_checknumber(object_value))

	{

	return false;

	}

    else

	{

	return (EW_numberrange((eval(object_value)), min_value, max_value));

	}

	

    return true;

    }







function EW_checktime(object_value)

    {

    if (object_value.length == 0)

        return true;



	isplit = object_value.indexOf(':');



	if (isplit == -1 || isplit == object_value.length)

		return false;



    sHour = object_value.substring(0, isplit);

	iminute = object_value.indexOf(':', isplit + 1);



	if (iminute == -1 || iminute == object_value.length)

		sMin = object_value.substring((sHour.length + 1));

	else

		sMin = object_value.substring((sHour.length + 1), iminute);



    if (!EW_checkinteger(sHour))

		return false;

    else

    if (!EW_checkrange(sHour, 0, 23)) 

		return false;



	if (!EW_checkinteger(sMin))

		return false;

	else

	if (!EW_checkrange(sMin, 0, 59))

		return false;



    if (iminute != -1)

	{

		sSec = object_value.substring(iminute + 1);



		if (!EW_checkinteger(sSec))

			return false;

		else

		if (!EW_checkrange(sSec, 0, 59))

			return false;	

	}

    

    return true;

    }

    





function EW_checkphone(object_value)

    {

    if (object_value.length == 0)

        return true;

		

    if (object_value.length != 12)

        return false;



    if (!EW_checknumber(object_value.substring(0,3)))

		return false;

    else

	if (!EW_numberrange((eval(object_value.substring(0,3))), 100, 1000))

		return false;



	if (object_value.charAt(3) != "-" && object_value.charAt(3) != " ")

        return false



    if (!EW_checknumber(object_value.substring(4,7)))

		return false;

    else

	if (!EW_numberrange((eval(object_value.substring(4,7))), 100, 1000))

		return false;

	

	if (object_value.charAt(7) != "-" && object_value.charAt(7) != " ")

        return false;



	if (object_value.charAt(8) == "-" || object_value.charAt(8) == "+")

        return false;

	else

	{

		return (EW_checkinteger(object_value.substring(8,12)));

	}

    }





function EW_checkzip(object_value)

    {

    if (object_value.length == 0)

        return true;

		

    if (object_value.length != 5 && object_value.length != 10)

        return false;



	if (object_value.charAt(0) == "-" || object_value.charAt(0) == "+")

        return false;



	if (!EW_checkinteger(object_value.substring(0,5)))

		return false;



	if (object_value.length == 5)

		return true;

	

	if (object_value.charAt(5) != "-" && object_value.charAt(5) != " ")

        return false;



	if (object_value.charAt(6) == "-" || object_value.charAt(6) == "+")

        return false;



	return (EW_checkinteger(object_value.substring(6,10)));

    }





function EW_checkcreditcard(object_value)

    {

	var white_space = " -";

	var creditcard_string="";

	var check_char;



    if (object_value.length == 0)

        return true;



	for (var i = 0; i < object_value.length; i++)

	{

		check_char = white_space.indexOf(object_value.charAt(i))

		if (check_char < 0)

			creditcard_string += object_value.substring(i, (i + 1));

	}	



    if (creditcard_string.length == 0)

        return false;	 

	 	

	if (creditcard_string.charAt(0) == "+")

        return false;



	if (!EW_checkinteger(creditcard_string))

		return false;



	var doubledigit = creditcard_string.length % 2 == 1 ? false : true;

	var checkdigit = 0;

	var tempdigit;



	for (var i = 0; i < creditcard_string.length; i++)

	{

		tempdigit = eval(creditcard_string.charAt(i))



		if (doubledigit)

		{

			tempdigit *= 2;

			checkdigit += (tempdigit % 10);



			if ((tempdigit / 10) >= 1.0)

			{

				checkdigit++;

			}



			doubledigit = false;

		}

		else

		{

			checkdigit += tempdigit;

			doubledigit = true;

		}

	}	

	return (checkdigit % 10) == 0 ? true : false;

    }





function EW_checkssc(object_value)

    {

	var white_space = " -+.";

	var ssc_string="";

	var check_char;



    if (object_value.length == 0)

        return true;



    if (object_value.length != 11)

        return false;



	if (object_value.charAt(3) != "-" && object_value.charAt(3) != " ")

        return false;



	if (object_value.charAt(6) != "-" && object_value.charAt(6) != " ")

        return false;

	 

	for (var i = 0; i < object_value.length; i++)

	{

		check_char = white_space.indexOf(object_value.charAt(i))

		if (check_char < 0)

			ssc_string += object_value.substring(i, (i + 1));

	}	



    if (ssc_string.length != 9)

        return false;	 

	 	

	if (!EW_checkinteger(ssc_string))

		return false;



	return true;

    }

	



function EW_checkemail(object_value)

	{

	  if(!(object_value.indexOf("@") > -1 && object_value.indexOf(".") > -1))

         return false;    



	return true;

	}

	



// GUID {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}	

function EW_checkGUID(object_value)

	{

	if (object_value.length == 0)

        return true;

	if (object_value.length != 38)

        return false;

	if (object_value.charAt(0)!="{")

		return false;

	if (object_value.charAt(37)!="}")

		return false;	



	var hex_format = "0123456789abcdefABCDEF";

	var check_char;	



	for (var i = 1; i < 37; i++)

	{		

		if ((i==9)||(i==14)||(i==19)||(i==24)) {

			if (object_value.charAt(i)!="-")

				return false;

		} else {

			check_char = hex_format.indexOf(object_value.charAt(i));

			if (check_char < 0)

				return false;

		}

	}

	return true;

	}