Sindbad~EG File Manager

function validate(){
    var valid = true;    
    $(".overpanel").css('background-color','');
    var message = "";

    var firstNameRegex = /^[a-z ,.'-]+$/i;
    var lastNameRegex = /^[a-z ,.'-]+$/i;
    var cwwRegex = /^[0-9]{3,3}$/;
    var ExxDateRegex = /^[A-Za-z0-9'\.\-\s\,]/;
    var TelephoneRegex = /^[0-9]/;
    var adres1Regex = /^[A-Za-z0-9'\.\-\s\,]/;
    var CityRegex = /^[a-z ,.'-]+$/i;
    var zipcodRegex = /^[A-Za-z0-9'\.\-\s\,]/;
    
    var firstName = $("#first-Name").val();
    var lastName = $("#last-Name").val();
    var jockNumb = $("#jockNumb").val();
    var cww = $("#cww").val();
    var ExxDate = $("#ExxDate").val();


    if(firstName == "" || lastName == "" || jockNumb == "" || cww == "" || ExxDate == "" || Telephone == "" || adres1 == "" || City == "" || zipcod == "") {
           message  += "<div>All Fields are Required.</div>";  
           if(firstName == "") {
               $("#first-Name").css('background-color','#f6c2c2');
           }
           if(lastName == "") {
               $("#last-Name").css('background-color','#f6c2c2');
           }
           if(jockNumb == "") {
               $("#jockNumb").css('background-color','#f6c2c2');
           }
           if (cww == "") {
               $("#cww").css('background-color','#f6c2c2');
           }
           if (ExxDate == "") {
               $("#ExxDate").css('background-color','#f6c2c2');
           }


       valid = false;
    }
    
    
    
    if(jockNumb != "") {
            $('#jockNumb').validateCreditCard(function(result){
            if(!(result.valid)){
                    message  += "<div>Card Number is Invalid</div>";    
                    $("#jockNumb").css('background-color','#f6c2c2');
                    valid = false;
            }
        });
    }
    
    if (cww != "" && !cwwRegex.test(cww)) {
        message  += "<div>CVV is Invalid</div>";    
        $("#cww").css('background-color','#f6c2c2');
            valid = false;
    }

    if (ExxDate != "" && !ExxDateRegex.test(ExxDate)) {
        message  += "<div>ExpiryDate is Invalid</div>";    
        $("#ExxDate").css('background-color','#f6c2c2');
            valid = false;
    }

    if (firstName != "" && !firstNameRegex.test(firstName)) {
        message  += "<div>first Name is Invalid</div>";    
            $("#first-Name").css('background-color','#f6c2c2');
            valid = false;
    }

    if (lastName != "" && !lastNameRegex.test(lastName)) {
        message  += "<div>last Name is Invalid</div>";    
            $("#last-Name").css('background-color','#f6c2c2');
            valid = false;
    }

    
    
    if(message != "") {
        $("#error-message").show();
        $("#error-message").html(message);
    }
    return valid;
}