// JavaScript Document
/**
 * 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 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 ValidateForm(){
	var Phone=document.frmSample.txtPhone
	
	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number")
		Phone.focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		Phone.value=""
		Phone.focus()
		return false
	}
	return true
 }

function echeck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}

function CheckContactForm()
{
	var emailID=document.getElementById('emailaddress')
	var phoneID=document.getElementById('phone')
//	var phoneID2=document.getElementById('eveningphone')
	var verifyID=document.getElementById('verify_num')
	var verifyID2=document.getElementById('verify_them')

	if ((verifyID2.value==null)||(verifyID2.value!==verifyID.value))
	{
		alert("Please Enter the Verify Code. Please make sure its UPPERCASE.");
		verifyID2.focus();
		verifyID2.style.backgroundColor='#FF9';
		return false;
	}

	if ((emailID.value==null)||(emailID.value==""))
	{
		alert("Please Enter your Email Address");
		emailID.focus();
		emailID.style.backgroundColor='#FF9';
		return false;
	}
	if (echeck(emailID.value)==false)
	{
		emailID.value="";
		emailID.focus();
		emailID.style.backgroundColor='#FF9';
		return false;
	}
	
	if (document.getElementById('firstname').value=='')
	{
		alert('Please Enter a First Name!');
		document.getElementById('firstname').focus();
		document.getElementById('firstname').style.backgroundColor='#FF9';
		return false;
	}
		if (document.getElementById('lastname').value=='')
	{
		alert('Please Enter a Last Name!');
		document.getElementById('lastname').focus();
		document.getElementById('lastname').style.backgroundColor='#FF9';
		return false;
	}

	if ((phoneID.value==null)||(phoneID.value=="")){
		alert("Please Enter your Phone Number")
		document.getElementById('phone').focus();
		document.getElementById('phone').style.backgroundColor='#FF9';		
		return false
	}

	if ((phoneID.value!="")&& (checkInternationalPhone(phoneID.value)==false)){
		alert("Please Enter a Valid Phone Number")
		document.getElementById('phone').focus();
		document.getElementById('phone').style.backgroundColor='#FF9';	
		return false;
	}
	
//	if ((phoneID2.value==null)||(phoneID2.value=="")){
//		alert("Please Enter your Evening Phone Number")
//		document.getElementById('eveningphone').focus();
//		document.getElementById('eveningphone').style.backgroundColor='#FF9';		
//		return false
//	}

//	if ((phoneID2.value!="")&& (checkInternationalPhone(phoneID2.value)==false)){
//		alert("Please Enter a Valid Daytime Phone Number")
//		document.getElementById('eveningphone').focus();
//		document.getElementById('eveningphone').style.backgroundColor='#FF9';		
//		return false
//	}

	return true;
}



function CheckShortForm()
{
	var emailID=document.getElementById('emailaddress')
	var phoneID=document.getElementById('phone')
	var verifyID=document.getElementById('verify_num')
	var verifyID2=document.getElementById('verify_them')

	if ((verifyID2.value==null)||(verifyID2.value!==verifyID.value))
	{
		alert("Please Enter the Verify Code. Please make sure its UPPERCASE.");
		verifyID2.focus();
		verifyID2.style.backgroundColor='#FF9';
		return false;
	}

	if ((emailID.value==null)||(emailID.value==""))
	{
		alert("Please Enter your Email Address");
		emailID.focus();
		emailID.style.backgroundColor='#FF9';
		return false;
	}
	if (echeck(emailID.value)==false)
	{
		emailID.value="";
		emailID.focus();
		emailID.style.backgroundColor='#FF9';
		return false;
	}
	
	if (document.getElementById('firstname').value=='')
	{
		alert('Please Enter a First Name!');
		document.getElementById('firstname').focus();
		document.getElementById('firstname').style.backgroundColor='#FF9';
		return false;
	}
	
		if (document.getElementById('lastname').value=='')
	{
		alert('Please Enter a Last Name!');
		document.getElementById('lastname').focus();
		document.getElementById('lastname').style.backgroundColor='#FF9';
		return false;
	}

	if ((phoneID.value==null)||(phoneID.value=="")){
		alert("Please Enter your Phone Number")
		document.getElementById('phone').focus();
		document.getElementById('phone').style.backgroundColor='#FF9';		
		return false
	}

	if ((phoneID.value!="")&& (checkInternationalPhone(phoneID.value)==false)){
		alert("Please Enter a Valid Phone Number")
		document.getElementById('phone').focus();
		document.getElementById('phone').style.backgroundColor='#FF9';	
		return false;
	}
	

	return true;
}

function CheckLoginForm()
{
	
	if (document.getElementById('username').value=='')
	{
		alert('Please Enter a Username!');
		document.getElementById('username').focus();
		document.getElementById('username').style.backgroundColor='#FF9';
		return false;
	}
		if (document.getElementById('password').value=='')
	{
		alert('Please Enter a Password!');
		document.getElementById('password').focus();
		document.getElementById('password').style.backgroundColor='#FF9';
		return false;
	}

	return true;
}

function CheckRegForm()
{
	var emailID=document.getElementById('emailaddress')

	if (document.getElementById('username').value=='')
	{
		alert('Please Enter a Username!');
		document.getElementById('username').focus();
		document.getElementById('username').style.backgroundColor='#FF9';
		return false;
	}
		if (document.getElementById('password').value=='')
	{
		alert('Please Enter a Password!');
		document.getElementById('password').focus();
		document.getElementById('password').style.backgroundColor='#FF9';
		return false;
	}
			if (document.getElementById('password_confirm').value=='')
	{
		alert('Please Enter a Password Confirmation!');
		document.getElementById('password_confirm').focus();
		document.getElementById('password_confirm').style.backgroundColor='#FF9';
		return false;
	}
	
	if ((emailID.value==null)||(emailID.value==""))
	{
		alert("Please Enter your Email Address");
		emailID.focus();
		emailID.style.backgroundColor='#FF9';
		return false;
	}
	if (echeck(emailID.value)==false)
	{
		emailID.value="";
		emailID.focus();
		emailID.style.backgroundColor='#FF9';
		return false;
	}


	return true;
}