for (var x = 0; x < employees.length; x++) {
            var match = true;
            var searchString;
            if (firstName !== '') {
                searchString = firstName.toLowerCase();
                if (employees[x].firstName.toLowerCase().indexOf(searchString) == -1) {
                    match = false;

                }
            }

            if (lastName !== '') {
                searchString = lastName.toLowerCase();
                if (employees[x].lastName.toLowerCase().indexOf(searchString) == -1) {
                    match = false;
                }

            }

            if (pointwestUsername !== '') {
                searchString = pointwestUsername.toLowerCase();
                if (employees[x].pointwestUsername.toLowerCase().indexOf(searchString) == -1) {
                    match = false;
                }

            }

            if (employeeId !== '') {
                searchString = employeeId.toLowerCase();
                if (employees[x].employeeId.toLowerCase().indexOf(searchString) == -1) {
                    match = false;
                }
            }
            if (match) {
                $("#resultsTable").append("<tr><td>" + employees[x].lastName + "</td><td>" + employees[x].firstName + "</td><td>" + employees[x].seatCode + "</td><td>" + employees[x].localNumber + "</td><td>" + employees[x].availabilityStatus + "</td></tr>");
            }

        }