Plain Code

///////////////////////////////////////////////
// autoscroll
///////////////////////////////////////////////

// first hide the navigation buttons
var $buttons = $('img.right').add('img.left').hide();

// start to automatically cycle the tabs
   cycleTimer = setInterval(function () {
   $scroll.trigger('next');
}, 5000);  // how many milliseconds, change this to whatever you like

// select some trigger elements to stop the auto-cycle
var $stopTriggers = $('#slider .navigation').find('a')    // tab headers
    .add('.scroll')                     // panel itself
    .add('.stopscroll')             // links to the stop class div
    .add('.navigation')          // links to navigation id for tabs
    .add("a[href^='#']");      // links to a tab

// this is the function that will stop the auto-cycle
function stopCycle() {
   // remove the no longer needed stop triggers
   clearInterval(cycleTimer);          // stop the auto-cycle itself
   $buttons.show();                           // show the navigation buttons
   document.getElementById('stopscroll').style.display='none';    // hide the stop div
   document.getElementById('startscroll').style.display='block';  // block the start div
}

// bind stop cycle function to the click event using namespaces
$stopTriggers.bind('click.cycle', stopCycle);

///////////////////////////////////////////////
// end autoscroll
///////////////////////////////////////////////
//  edit to start again
///////////////////////////////////////////////
// select some trigger elements to stop the auto-cycle

var $startTriggers_start = $('#slider .navigation').find('a') // tab headers
    .add('.startscroll');               // links to the start class div

// this is the function that will stop the auto-cycle
function startCycle() {
   // remove the no longer needed stop triggers
   $buttons.hide();                    // show the navigation buttons
   $scroll.trigger('next');          // directly to the next first
   cycleTimer = setInterval(function () {         // now set timer again
   $scroll.trigger('next');
   }, 5000);  // how many milliseconds, change this to whatever you like
   document.getElementById('stopscroll').style.display='block';  // block the stop div
   document.getElementById('startscroll').style.display='none';  // hide the start div
}

// bind stop cycle function to the click event using namespaces
$startTriggers_start.bind('click.cycle', startCycle);

///////////////////////////////////////////////
// end  edit to start
///////////////////////////////////////////////