jQuery(document).ready(function($) {
	$body = (window.opera) ? (document.compatMode == "CSS1Compat" ? $("html") : $("body")) : $("html,body");$("#roll_top").mouseover(function() {up()}).mouseout(function() {clearTimeout(fq)}).click(function() {$body.animate({scrollTop: 0},400)});$("#fall").mouseover(function() {dn()}).mouseout(function() {clearTimeout(fq)}).click(function() {$body.animate({scrollTop: $(document).height()},400)});$("#ct").click(function() {$body.animate({scrollTop: $("#comments").offset().top},400)});});function up() {$wd = $(window);$wd.scrollTop($wd.scrollTop() - 1);fq = setTimeout("up()", 50)};function dn() {$wd = $(window);$wd.scrollTop($wd.scrollTop() + 1);fq = setTimeout("dn()", 50)
	
	};
function H$(i) {return document.getElementById(i)}

function H$$(c, p) {return p.getElementsByTagName(c)}

var slider = function () {

	function init (o) {

		this.id = o.id;

		this.at = o.auto ? o.auto : 3;

		this.o = 0;

		this.pos();

	}

	init.prototype = {

		pos : function () {

			clearInterval(this.__b);

			this.o = 0;

			var el = H$(this.id), li = H$$('li', el), l = li.length;

			var _t = li[l-1].offsetHeight;

			var cl = li[l-1].cloneNode(true);

			cl.style.opacity = 0; cl.style.filter = 'alpha(opacity=0)';

			el.insertBefore(cl, el.firstChild);

			el.style.top = -_t + 'px';

			this.anim();

		},

		anim : function () {

			var _this = this;

			this.__a = setInterval(function(){_this.animH()}, 20);

		},

		animH : function () {

			var _t = parseInt(H$(this.id).style.top), _this = this;

			if (_t >= -1) {

				clearInterval(this.__a);

				H$(this.id).style.top = 0;

				var list = H$$('li',H$(this.id));

				H$(this.id).removeChild(list[list.length-1]);

				this.__c = setInterval(function(){_this.animO()}, 20);

				//this.auto();

			}else {

				var __t = Math.abs(_t) - Math.ceil(Math.abs(_t)*.07);

				H$(this.id).style.top = -__t + 'px';

			}

		},

		animO : function () {

			this.o += 2;

			if (this.o == 100) {

				clearInterval(this.__c);

				H$$('li',H$(this.id))[0].style.opacity = 1;

				H$$('li',H$(this.id))[0].style.filter = 'alpha(opacity=100)';

				this.auto();

			}else {

				H$$('li',H$(this.id))[0].style.opacity = this.o/100;

				H$$('li',H$(this.id))[0].style.filter = 'alpha(opacity='+this.o+')';

			}

		},

		auto : function () {

			var _this = this;

			this.__b = setInterval(function(){_this.pos()}, this.at*1000);

		}

	}

	return init;

}();