//Checks if inputted details match those stored in the database
function isValidUser() {
    var username = document.getElementById("txtUsername").value
    var password = document.getElementById("txtPassword").value
    if(username === "admin" && password === "password") {
                    var result = true;
                }
                if(result) {
                //Go to enrol police web page
                window.location.href = "../EnrolPoliceOfficers/EnrolPoliceOfficers.html";

                } else {
                    alert("Invalid username or password")
                }
}