// javascript document
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;
}();
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