// JavaScript Document
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 to check empty field
function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'Yellow'; 
        error = "The required field has not been filled in.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}
//Check Username
function validateUsername(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "You didn't enter a username.\n";
    } else if ((fld.value.length < 5) || (fld.value.length > 15)) {
        fld.style.background = 'Yellow'; 
        error = "The username is the wrong length.\n";
    } else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow'; 
        error = "The username contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
//Validate Password
function validatePassword(fld) {
    var error = "";
    var illegalChars = /[\W_]/; // allow only letters and numbers 
 
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "You didn't enter a password.\n";
    } else if ((fld.value.length < 7) || (fld.value.length > 15)) {
        error = "The password is the wrong length. \n";
        fld.style.background = 'Yellow';
    } else if (illegalChars.test(fld.value)) {
        error = "The password contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!((fld.value.search(/(a-z)+/)) && (fld.value.search(/(0-9)+/)))) {
        error = "The password must contain at least one numeral.\n";
        fld.style.background = 'Yellow';
    } else {
        fld.style.background = 'White';
    }
   return error;
}   
//Validate email
function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}

function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
//Validate Phone
function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    

   if (fld.value == "") {
        error = "You didn't enter a phone number.\n";
        fld.style.background = 'Yellow';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!(stripped.length == 10)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = 'Yellow';
    }
    return error;
}
//Compare Password
function comparePassword(fld1,fld2)
{
	
	if (fld1.value != fld2.value)
	{
		error = "Repeat password does not match with password.\n";
        fld2.style.background = 'Yellow';
	}
	else
	{
	fld2.style.background = 'White';
	}
	
	return error;
}
//Compare Rank
function compRank(fld1,fld2)
{
	if(fld1.value == fld2.value)
		return false;
	else
		return true;
}
//Validate user
function VALSignup(theForm)
{
  var sError="";
  sError += validateEmail(theForm.txtEmail);
  sError += validatePassword(theForm.pwdPassword);
  sError += validateEmpty(theForm.pwdConfirmPassword);   
  /*if(theForm.pwdConfirmPassword.value !="")
  {
  	sError += comparePassword(theForm.pwdPassword,theForm.pwdConfirmPassword);
  }*/
  if(theForm.pwdConfirmPassword.value !="")
	{
		if(theForm.pwdConfirmPassword.value !=theForm.pwdPassword.value)
		{
		 sError +="Repeat password does not match with password \n";
		}
	}
  sError += validateEmpty(theForm.txtFirstName);
  sError += validateEmpty(theForm.txtLastName);
  sError += validateEmpty(theForm.txtAddress);
  sError += validateEmpty(theForm.ddlState);
  sError += validateEmpty(theForm.txtZip);
  sError += validatePhone(theForm.txtPhone);
   
  if (sError != "") {
    alert("Following fields needs to be filled:\n" + sError);
    return false;
  }
  else
  return true;
}
//Validate while updating account
function VALUpdate(theForm)
{
  var sError="";
  sError += validateEmpty(theForm.txtFirstName);
  sError += validateEmpty(theForm.txtLastName);
  sError += validateEmpty(theForm.txtAddress);
  sError += validateEmpty(theForm.ddlState);
  sError += validateEmpty(theForm.txtZip);
  sError += validatePhone(theForm.txtPhone);
   
  if (sError != "") {
    alert("Following fields needs to be filled:\n" + sError);
    return false;
  }
  else
  return true;
}
///Validate dealer user
function ValidateEwalletUser(theForm)
{
  var sError="";
  sError += validateUsername(theForm.txtUsername);
  sError += validateEmpty(theForm.txtPassword);
  sError += validateEmail(theForm.txtEmail);
        
  if (sError != "") {
    alert("Following fields needs to be filled:\n" + sError);
    return false;
  }
  else
  return true;
}

function ValidateChangePassword(theForm)
{
  var sError="";

  sError += validateEmpty(theForm.txtoldPassword);
  sError += validateEmpty(theForm.txtnewPassword);
        
  if (sError != "") {
    alert("Following fields needs to be filled:\n" + sError);
    return false;
  }
  else
  return true;
}
function valForgetPassword(theForm)
{
	
  var sError="";

  sError += validateEmail(theForm.txtEmail);
        
  if (sError != "") {
    alert("Following fields needs to be filled:\n" + sError);
    return false;
  }
  else
  return true;
}

function VALContactUS(theForm)
{
  var sError=""; 
  sError += validateEmpty(theForm.txtName);
  sError += validateEmpty(theForm.txtContactNo);
  sError += validateEmail(theForm.txtEmail);
  sError += validateEmpty(theForm.txtContactTime);
  sError += validateEmpty(theForm.txtMessage);
         
  if (sError != "") {
    alert("Following fields needs to be filled:\n" + sError);
    return false;
  }
  else
  return true;
}
function ValUpdateEwalletUser(theForm)
{
  var sError=""; 
  sError += validateEmpty(theForm.txtAmount);
  if(!isInteger(theForm.txtAmount.value))
  	sError += "Only numeric value allowed";
	
	if (sError != "") 
	{
		alert("Following fields needs to be filled:\n" + sError);
		return false;
    }
   else
  	 return true;
}