var db = screwtopDb;

            var hasStorage = (function() {
                try {
                    localStorage.setItem("testitem", "testvalue");
                    localStorage.removeItem("testitem");
                    return true;
                } catch(e) {
                    return false;
                }
            }());

            function setCookie(name,value,days) {
                if (days) {
                    var date = new Date();
                    date.setTime(date.getTime()+(days*24*60*60*1000));
                    var expires = "; expires="+date.toGMTString();
                }
                else var expires = "";
                document.cookie = name+"="+value+expires+"; path=/";
            }
        
            function getCookie(name) {
                var nameEQ = name + "=";
                var ca = document.cookie.split(';');
                for(var i=0;i < ca.length;i++) {
                    var c = ca[i];
                    while (c.charAt(0)==' ') c = c.substring(1,c.length);
                    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
                }
                return null;
            }
        
            function deleteCookie(name) {
                setCookie(name,"",-1);
            }

            var username = "unauthenticated";
            var password = "bogus";
            var SDBURL = "https://shardx.screwtopdb.com/";
            var APP = "nopeekvoting";

            function saveAuthentication(u, p) {
                if (hasStorage) {
                    localStorage.setItem(APP + '-username', u);
                    localStorage.setItem(APP + '-password', p);
                }
                else {
                    setCookie(APP + '-username', u, 365);
                    setCookie(APP + '-password', p, 365);
                }
            }
            
            function clearAuthentication() {
               if (hasStorage) {
                   localStorage.removeItem(APP + '-username'); 
                   localStorage.removeItem(APP + '-password');
               }
               else {
                   deleteCookie(APP + '-username');
                   deleteCookie(APP + '-password');
               }
            }

            function logout(cb) {
                db()
                .url(SDBURL)
                .deleteCacheFromLocalStorage(username)
                .logout()
                .end(function() {
                   clearAuthentication();
                   username = "unauthenticated";
                   if (cb) cb();                   
                });
            }

           function passwordreminder() {
                var uname = prompt("Enter your username below.","");
                if (uname && uname.trim() != "") {
                    db().url(SDBURL)
                    .appName(APP)
                    .sendPasswordReminder(uname)
                    .func(function(msg) {
                        alert(msg);
                    })
                    .end();
                }
            }
        
            function usernamereminder() {
                var email = prompt("Enter your email address below.","");
                if (email && email.trim() != "") {
                    db().url(SDBURL)
                    .appName(APP)
                    .sendUsernameReminder(email)
                    .func(function(msg) {
                        alert(JSON.stringify(msg));
                    })
                    .end();
                }
            }       
              
            function deleteAccount() {
                db().url(SDBURL)
                .deferredWrite(false)
                .deleteCacheFromLocalStorage(username)
                .deleteUser(username)
                .logout()
                .end(function() {
                    clearAuthorization();
                    $('#logindiv').show();
                });
            }   

            function login(dburl, app, performLoginActions) {
                APP = app;
                SDBURL = dburl;

				var u = (hasStorage ? localStorage.getItem(APP + '-username') : getCookie(APP + '-username'));
                var p = (hasStorage ? localStorage.getItem(APP + '-password') : getCookie(APP + '-password'));
                if (!db.isEmpty(u) && !db.isEmpty(p)) {
                    username = u;
                    password = p;
                    db()
                    .url(SDBURL)
                    .authentication(APP, u, p)
                    .onError(clearAuthentication)
                    .end(function() {
                        $('#logindiv').hide();
                        performLoginActions();
                    });
                }
                else {
                    $('#logindiv').show();
                    $('#username').focus();
                    $('#loginform').submit(function() {
                        u = $('#username').val();
                        p = $('#password').val();
                        if (db.isEmpty(u.trim()) || db.isEmpty(p.trim())) return;
                        db()
                        .url(SDBURL)
                        .login(APP, u, p)
                        .each(function(data) {
                            username = data.username[0];
                            password = p;
                        })
                        .func(function() {
                            $('#logindiv').hide();
                        })
                        .authentication(APP, u, p)
                        .end(function() {
                            saveAuthentication(u,p);
                            $('#logindiv').hide();
                            performLoginActions();
                        });
                        return false;
                    });
                    
                    $('#registerform').submit(function() {
                        var u = $('#newusername').val().trim();
                        var p = $('#newpassword').val().trim();
                        var p2 = $('#newpassword2').val().trim();
                        var email = $('#newemail').val().trim();
                        
                        if (db.isEmpty(u) || db.isEmpty(p) || db.isEmpty(p2) || db.isEmpty(email)) {
                            alert('All fields must be filled in.');
                            return;
                        }
                        if (p != p2) alert('Passwords do not match.');
                        else {
                            db().url(SDBURL)
                            .appName(APP)
                            .createUser(u, p, email)
                            .end(function(arr) {
                                $('#logindiv').hide(500, function() {

                                    if (arr[0] && arr[0].username) {
                                        alert("Your account has been created. You may now log in.");
                                    }
                                    else {
                                        alert(JSON.stringify(arr[0], null,'  '));
                                    }

                                    $('#newusername').val('');
                                    $('#newpassword').val('');
                                    $('#newpassword2').val('');
                                    $('#newemail').val('');
                                    $('#logindiv').show(500);
                                });
                            });
                        }
                        return false;
                    });


                    $('#forgotpasswordbtn').click(function() {
                        passwordreminder();
                    });
                    
                    $('#forgotusernamebtn').click(function() {
                        usernamereminder();
                    });

                }
                
			}