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POAutomatically scroll to bottom of div using Tiny Scrollbar
 

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    <p>I'm coding a shoutbox and making it as user friendly as possible. It uses the <a href="http://plugins.jquery.com/project/tinyscrollbar" rel="nofollow">Tiny Scrollbar plugin</a> for jQuery and I want to incorporate an extra function that will allow me to make it go to the bottom of the <code>div</code>. It should automatically scroll (possibly with a smooth animated effect) to the bottom.</p> <p>Here is the actual tiny scrollbar code:</p> <pre><code>(function($){ $.tiny = $.tiny || { }; $.tiny.scrollbar = { options: { axis: 'y', // vertical or horizontal scrollbar? ( x || y ). wheel: 40, //how many pixels must the mouswheel scroll at a time. scroll: true, //enable or disable the mousewheel; size: 'auto', //set the size of the scrollbar to auto or a fixed number. sizethumb: 'auto' //set the size of the thumb to auto or a fixed number. } }; $.fn.tinyscrollbar = function(options) { var oElement = null; var options = $.extend({}, $.tiny.scrollbar.options, options); this.each(function() { oElement = new Scrollbar($(this), options); }); return $.extend(this, oElement); }; function Scrollbar(root, options){ var oSelf = this; var oWrapper = root; var oViewport = { obj: $('.viewport', root) }; var oContent = { obj: $('.overview', root) }; var oScrollbar = { obj: $('.scrollbar', root) }; var oTrack = { obj: $('.track', oScrollbar.obj) }; var oThumb = { obj: $('.thumb', oScrollbar.obj) }; var sAxis = options.axis == 'x', sDirection = sAxis ? 'left' : 'top', sSize = sAxis ? 'Width' : 'Height'; var iScroll, iPosition = { start: 0, now: 0 }, iMouse = {}; function initialize() { oSelf.update(); setEvents(); return oSelf; } this.update = function(bKeepScroll){ oViewport[options.axis] = oViewport.obj[0]['offset'+ sSize]; oContent[options.axis] = oContent.obj[0]['scroll'+ sSize]; oContent.ratio = oViewport[options.axis] / oContent[options.axis]; oScrollbar.obj.toggleClass('disable', oContent.ratio &gt;= 1); oTrack[options.axis] = options.size == 'auto' ? oViewport[options.axis] : options.size; oThumb[options.axis] = Math.min(oTrack[options.axis], Math.max(0, ( options.sizethumb == 'auto' ? (oTrack[options.axis] * oContent.ratio) : options.sizethumb ))); oScrollbar.ratio = options.sizethumb == 'auto' ? (oContent[options.axis] / oTrack[options.axis]) : (oContent[options.axis] - oViewport[options.axis]) / (oTrack[options.axis] - oThumb[options.axis]); iScroll = (bKeepScroll &amp;&amp; oContent.ratio &lt;= 1) ? Math.min((oContent[options.axis] - oViewport[options.axis]), Math.max(0, iScroll)) : 0; setSize(); } function setSize(){ oThumb.obj.css(sDirection, iScroll / oScrollbar.ratio); oContent.obj.css(sDirection, -iScroll); iMouse['start'] = oThumb.obj.offset()[sDirection]; var sCssSize = sSize.toLowerCase(); oScrollbar.obj.css(sCssSize, oTrack[options.axis]); oTrack.obj.css(sCssSize, oTrack[options.axis]); oThumb.obj.css(sCssSize, oThumb[options.axis]); }; function setEvents(){ oThumb.obj.bind('mousedown', start); oThumb.obj[0].ontouchstart = function(oEvent){ oEvent.preventDefault(); oThumb.obj.unbind('mousedown'); start(oEvent.touches[0]); return false; } oTrack.obj.bind('mouseup', drag); if(options.scroll &amp;&amp; this.addEventListener){ oWrapper[0].addEventListener('DOMMouseScroll', wheel, false); oWrapper[0].addEventListener('mousewheel', wheel, false ); } else if(options.scroll){oWrapper[0].onmousewheel = wheel;} }; function start(oEvent){ iMouse.start = sAxis ? oEvent.pageX : oEvent.pageY; var oThumbDir = parseInt(oThumb.obj.css(sDirection)); iPosition.start = oThumbDir == 'auto' ? 0 : oThumbDir; $(document).bind('mousemove', drag); document.ontouchmove = function(oEvent){ $(document).unbind('mousemove'); drag(oEvent.touches[0]); }; $(document).bind('mouseup', end); oThumb.obj.bind('mouseup', end); oThumb.obj[0].ontouchend = document.ontouchend = function(oEvent){ $(document).unbind('mouseup'); oThumb.obj.unbind('mouseup'); end(oEvent.touches[0]); } return false; }; function wheel(oEvent){ if(!(oContent.ratio &gt;= 1)){ oEvent = $.event.fix(oEvent || window.event); var iDelta = oEvent.wheelDelta ? oEvent.wheelDelta/120 : -oEvent.detail/3; iScroll -= iDelta * options.wheel; iScroll = Math.min((oContent[options.axis] - oViewport[options.axis]), Math.max(0, iScroll)); oThumb.obj.css(sDirection, iScroll / oScrollbar.ratio); oContent.obj.css(sDirection, -iScroll); oEvent.preventDefault(); }; }; function end(oEvent){ $(document).unbind('mousemove', drag); $(document).unbind('mouseup', end); oThumb.obj.unbind('mouseup', end); document.ontouchmove = oThumb.obj[0].ontouchend = document.ontouchend = null; return false; }; function drag(oEvent){ if(!(oContent.ratio &gt;= 1)){ iPosition.now = Math.min((oTrack[options.axis] - oThumb[options.axis]), Math.max(0, (iPosition.start + ((sAxis ? oEvent.pageX : oEvent.pageY) - iMouse.start)))); iScroll = iPosition.now * oScrollbar.ratio; oContent.obj.css(sDirection, -iScroll); oThumb.obj.css(sDirection, iPosition.now);; } return false; }; return initialize(); }; })(jQuery); </code></pre> <p>If you could modify it to do this, I would be eternally grateful!</p>
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