$.post(urlForm,
            {
                "id" : $("input[name=id]").val(),
                "agencyName" : $("input[name=agencyName]").val(),
                "applicationUrl" : $("input[name=applicationUrl]").val(),
                "logoName" : $("input[name=logoName]").val(),
                "cssFilename" : $("input[name=cssFilename]").val()
            },

            function(validationMessagesArray){

                // clear previous error messages
                $("div.form-group").removeClass("has-error");
                $("span.help-block").remove();

                var error = false;
                for (var i = 0, len = validationMessagesArray.length; i < len; i++) {
                    var fieldName = validationMessagesArray[i].fieldName;
                    var errorMessage = validationMessagesArray[i].errorMessage;

                    // error style
                    $("input#"+fieldName).parent("div").addClass("has-error");

                    // error message
                    $("input#"+fieldName).parent("div").append("<span class='help-block'>"+errorMessage+"</span>");
                }

                if (!error){

                    if (validationMessagesArray.success == 1){
                        alert("Data saved");
                    }
                }

        }, "json");