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

// Declaring required variables
function compareDates(currentdate,dob){
		if(currentdate <= dob){
		return false;
			}
}



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 checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
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+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function checkphone(){
	
	var Phone=document.registerform.phone.value;

	if (checkInternationalPhone(Phone)==false){
		alert("Please Enter a Valid Phone Number")
		document.registerform.phone.value="";
		//document.registerform.phone.focus()
		return false
	}
	return true
 }



 

function checkFieldsLevelCN(){
	var errMsg ="";
	
	with(document.registerform){
		if(trim(b_firstname.value) == ""){
		alert("Please enter \"First Name\"\t\n");
				b_firstname.focus();
				return false;
		}
		if(trim(b_lastname.value) == ""){
				alert("Please enter \"Last Name\"\t\n");
				b_lastname.focus();
				return false;
		}
		if(trim(b_address.value) == ""){
		alert("Please enter \"Address\"\t\n");
				b_address.focus();
				return false;
		}
	
		if(trim(b_city.value) == ""){
		alert("Please enter \"City\"\t\n");
				b_city.focus();
				return false;
		}
		if(trim(b_country.value) == ""){
		alert("Please select \"Country\"\t\n");
			b_country.focus();
			return false;
		}
		if(trim(b_zipcode.value) == ""){
			alert("Please enter \"Zip Code\"\t\n");
			b_zipcode.focus();
			return false;
		}
		if(trim(phone.value) == ""){
			alert("Please enter \"Phone\"\t\n");
			phone.focus();
			return false;
		}
		if(trim(uname.value) == ""){
				alert("Please enter \"Username\"\t\n");
			uname.focus();
			return false;
		}
		if(trim(email.value) == ""){
				alert("Please enter \"Email\"\t\n");
			email.focus();
			return false;
		}
	
		if(trim(passwd1.value) == ""){
			alert("Please enter \"Password\"\t\n");
			passwd1.focus();
			return false;
		}
		if(trim(passwd2.value) == ""){
			alert("Please enter \"Confirm Password\"\t\n");
			passwd2.focus();
			return false;
		}
		if(trim(uname.value) == trim(passwd1.value)){
		alert("Username and Password should not be same\t\n");
			passwd1.focus();
			return false;
		}
		if(trim(passwd1.value) != trim(passwd2.value)){
			alert("Password doesn't match \t\n");
		
			passwd1.focus();
			return false;
		}
		if(trim(comments.value) == ""){
			alert("Please enter \"Your Comments\"\t\n");
				comments.focus();
				return false;
		}
		if((trim(day.value) != "")&& (trim(month.value) != "") && (trim(year.value) != "")){
		
		 var dy = day.value;
		 var mn = month.value-1;
		 var yr = year.value;
		 var currentdate = new Date();

		 var dob		 = new Date(yr,mn,dy);
		 		// alert(currentdate + dy+"day" + mn+"month"+ yr+"year" + dob);
		 if(compareDates(currentdate,dob)==false){
		 alert("Date Of Birth Should be less than Current Date\t\n");
			day.focus();
			return false;
		  }
		}	
			if(trim(uname.value) != ""){
			var illegalChars = /\W/;
			var alphaExp = /^[0-9a-z_]+$/;
			if (alphaExp.test(uname.value) == false) {
		
			alert(" The username contains illegal character\t\n");
		
			return false;
			}
		}
	}
			
		if(checkEmailAddress(document.registerform.email, 'Y')){
	
	
			return true; 
	
	}else{
		return false;
	}
	return true;	

}


function trim(str) {
    return str.replace(/^\s*|\s*$|\n|\r/g,"");
}
function submitFromGeneralCN(){
	if(checkFieldsLevelCN() == true){
	document.registerform.submit();
	}
}