/*
 *  SliderNav - A Simple Content Slider with a Navigation Bar
 *  Copyright 2010 Monjurul Dolon, http://mdolon.com/
 *  Released under the MIT, BSD, and GPL Licenses.
 *  More information: http://devgrow.com/slidernav
 */
$.fn.sliderNav=function(options){var defaults={items:["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"],debug:false,height:null,arrows:true};var opts=$.extend(defaults,options);var o=$.meta?$.extend({},opts,$$.data()):opts;var slider=$(this);$(slider).addClass('slider');$('.slider-content li:first',slider).addClass('selected');$(slider).append('<div class="slider-nav"><ul></ul></div>');for(var i in o.items)$('.slider-nav ul',slider).append("<li><a alt='#"+o.items[i]+"'>"+o.items[i]+"</a></li>");var height=$('.slider-nav',slider).height();if(o.height)height=o.height;$('.slider-content, .slider-nav',slider).css('height',height);if(o.debug)$(slider).append('<div id="debug">Scroll Offset: <span>0</span></div>');$('.slider-nav a',slider).mouseover(function(event){var target=$(this).attr('alt');var cOffset=$('.slider-content',slider).offset().top;var tOffset=$('.slider-content '+target,slider).offset().top;var height=$('.slider-nav',slider).height();if(o.height)height=o.height;var pScroll=(tOffset-cOffset)-height/8;$('.slider-content li',slider).removeClass('selected');$(target).addClass('selected');$('.slider-content',slider).stop().animate({scrollTop:'+='+pScroll+'px'});if(o.debug)$('#debug span',slider).html(tOffset);});if(o.arrows){$('.slider-nav',slider).css('top','20px');$(slider).prepend('<div class="slide-up end"><span class="arrow up"></span></div>');$(slider).append('<div class="slide-down"><span class="arrow down"></span></div>');$('.slide-down',slider).click(function(){$('.slider-content',slider).animate({scrollTop:"+="+height+"px"},500);});$('.slide-up',slider).click(function(){$('.slider-content',slider).animate({scrollTop:"-="+height+"px"},500);});}};