// JavaScript Document

function validation() 
{

	if (document.adduser.firstname.value=="")
		{
		alert("Please Enter Your First Name");
		document.adduser.firstname.focus();
		return false;
		}
	
	if (document.adduser.lastname.value=="")
		{
		alert("Please Enter Your Last Name");
		document.adduser.lastname.focus();
		return false;
		}
	
	if (document.adduser.address.value=="")
		{
		alert("Please Enter Address");
		document.adduser.address.focus();
		return false;
		}
	
	
	if (document.adduser.city.value=="")
		{
		alert("Please Enter Your City");
		document.adduser.city.focus();
		return false;
		}
	
	if (document.adduser.state.value=="")
		{
		alert("Please Enter Your State");
		document.adduser.state.focus();
		return false;
		}
	if (document.adduser.country.value=="")
		{
		alert("Please Enter Your Country");
		document.adduser.country.focus();
		return false;
		}

	if (document.adduser.zipcode.value=="")
		{
		alert("Please Enter Your Zipcode");
		document.adduser.zipcode.focus();
		return false;
		}
	/*if (isNaN(document.adduser.zipcode.value))
		{
		alert("Please Enter Your Vsalid Zipcode");
		document.adduser.zipcode.value="";
		document.adduser.zipcode.focus();
		return false;
		}*/
	
	if (document.adduser.phone.value=="")
		{
		alert("Please Enter Your Phone");
		document.adduser.phone.focus();
		return false;
		}
		phone=document.adduser.phone;
		if (checkInternationalPhone(phone.value)==false){
			alert("Please Enter a Valid Phone Number")
			phone.value="";
			phone.focus();
			return false;
			}
	
	if (document.adduser.email.value=="")
		{
		alert("Please Enter Your Email");
		document.adduser.email.focus();
		return false;
		}
	if ((document.adduser.email.value.length > 0 && (document.adduser.email.value.indexOf("@",0) == - 1 || document.adduser.email.value.indexOf(".",0) == - 1)))  
		{  
		alert("Enter your valid e-mail address");
		document.adduser.email.value="";
		document.adduser.email.focus();
		return false;
		}
	/*if (document.adduser.member_type.value=="Select")
		{
			alert("Please Select Your Member Type");
			document.adduser.member_type.focus();
			return false;
		}*/
	if (document.adduser.username.value=="")
		{
			alert("Please Enter User Name");
			document.adduser.username.focus();
			return false;
		}
	if (document.adduser.password.value=="")
		{
			alert("Please Enter Password");
			document.adduser.password.focus();
			return false;
		}
		
	if (document.adduser.paypal.value=="")
		{
		alert("Please Enter Your Paypal Email Address");
		document.adduser.paypal.focus();
		return false;
		}
	if ((document.adduser.paypal.value.length > 0 && (document.adduser.paypal.value.indexOf("@",0) == - 1 || document.adduser.paypal.value.indexOf(".",0) == - 1)))  
		{  
		alert("Enter your valid Paypal E-mail Address");
		document.adduser.paypal.value="";
		document.adduser.paypal.focus();
		return false;
		}
}

//Function phone validation Script
// 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 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 checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}