// JavaScript Document

// function checkInternationalPhone(strPhone){
// function validateCanadaZip(zip_code)
// function checkEmail(emailAddr) {


//function to validate postal code of canada
function validateCanadaZip(zip_code)
{
	reZip = new RegExp(/^[^dfioquwz][0-9][^dfioqu][0-9][^dfioqu][0-9]$/i);
	if (reZip.test(zip_code)) 
		return true;
	else
		return false;
}

function validateUSAZip(zip_code)
{
	reZip = new RegExp(/(^\d{5}$)|(^\d{5}-\d{4}$)/);
    if (reZip.test(zip_code)) 
		return true;
	else
		return false;
}

/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}
function trim(s)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not a whitespace, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}
function stripCharsNotInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) != -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.length == 0) return false;
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+4)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function checkEmail(emailAddr) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(emailAddr)){
		return (true);
	}
	return (false);
}

// strDate format = mm/dd/yyyy
function checkDate(strDate) {
var dteDate;
var day, month, year;
var datePat = /^(\d{1,2})(\/)(\d{1,2})(\/)(\d{4})$/;
var matchArray = strDate.match(datePat);

if (matchArray == null)
return false;

day = matchArray[3]; // p@rse date into variables
month = matchArray[1];
year = matchArray[5];
month--;

dteDate=new Date(year,month,day);
return ((day==dteDate.getDate()) && (month==dteDate.getMonth()) && (year==dteDate.getFullYear()));
}

function sqlFormatDate(strDate) {
	var day, month, year;
	var datePat = /^(\d{1,2})(\/)(\d{1,2})(\/)(\d{4})$/;
	var matchArray = strDate.match(datePat);

	if (matchArray == null)
	return false;

	day = matchArray[3]; // p@rse date into variables
	month = matchArray[1];
	year = matchArray[5];
	
	return year+"-"+month+"-"+day+" 00:00:00";
}