I want to my javascript slider to spin automatically

Hi,

I have a js slider implemented in a way that it only moves left or right if you press on the arrows on the sides. Go to this link and scroll down to the bottom of the page to see how it works: http://216.18.196.2/~batteryl

what I want to achieve is to allow the slider to move by itself (without the user pressing on the side arrows). I want it to keep on spinning. And when the user hovers the mouse on a certain item, it will stop automatically.

How can I achieve this functionality, given the following js code:

45446844685264525184468526var Slider = Class.create();
Slider.prototype = {
    options: {
        shift: 900
    },
    
    initialize: function(container, controlLeft, controlRight){
        this.animating = false;
        this.containerSize = {
            width: $(container).offsetWidth,
            height: $(container).offsetHeight
        },
        this.content = $(container).down();
        this.controlLeft = $(controlLeft);
        this.controlRight = $(controlRight);
        
        this.initControls();
    },
    
    initControls: function(){
        this.controlLeft.href = this.controlRight.href = 'javascript:void(0)';
        Event.observe(this.controlLeft,  'click', this.shiftLeft.bind(this));
        Event.observe(this.controlRight, 'click', this.shiftRight.bind(this));
        this.updateControls(1, 0);
    },
    
    shiftRight: function(){
        if (this.animating)
            return;
        
        var left = isNaN(parseInt(this.content.style.left)) ? 0 : parseInt(this.content.style.left);
        
        if ((left + this.options.shift) < 0) {
            var shift = this.options.shift;
            this.updateControls(1, 1);
        } else {
            var shift = Math.abs(left);
            this.updateControls(1, 0);
        }
        this.moveTo(shift);
    },
    
    shiftLeft: function(){
        if (this.animating)
            return;
        
        var left = isNaN(parseInt(this.content.style.left)) ? 0 : parseInt(this.content.style.left);
        
        var lastItemLeft = this.content.childElements().last().positionedOffset()[0];
        var lastItemWidth = this.content.childElements().last().getWidth();
        var contentWidth = lastItemLeft + lastItemWidth + 8;
        
        if ((contentWidth + left - this.options.shift) > this.containerSize.width) {
            var shift = this.options.shift;
            this.updateControls(1, 1);
        } else {
            var shift = contentWidth + left - this.containerSize.width;
            this.updateControls(0, 1);
        } 
        this.moveTo(-shift);
    },
    
    moveTo: function(shift){
        var scope = this;
                     
        this.animating = true;
        
        new Effect.Move(this.content, {
            x: shift,
            duration: 0.4,
            delay: 0,
            afterFinish: function(){
                scope.animating = false;
            }
        });
    },
    
    updateControls: function(left, right){
        if (!left)
            this.controlLeft.addClassName('disabled');
        else
            this.controlLeft.removeClassName('disabled');
        
        if (!right)
            this.controlRight.addClassName('disabled');
        else
            this.controlRight.removeClassName('disabled');
    }
}
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