$( function() {
        $( "#lbox_submit_but").live( "click", function() {
                $.ajax({
                    url:   'php/login.php',
                    type:   'POST',
                    data:   "login=1&user="+ $( "#username").val()+ "&pass="+$( "#password").val(),
                    success: function( html) {
                        $.get( "php/page_contents.php", function( data) {
                            content = data;
                            loadSite();
                        });
                    }
                });
                return false;
        });
});