var TINY = {};

function $(i) {
	return document.getElementById(i)
}

function $$(e, p) {
	p = p || document;
	return p.getElementsByTagName(e)
}

TINY.slideshow = function(n) {
	this.infoSpeed = this.imgSpeed = this.speed = 10;
	this.thumbOpacity = this.navHover = 100;
	this.navOpacity = 25;
	this.scrollSpeed = 5;
	this.letterbox = '#000';
	this.n = n;
	this.c = 0;
	this.a = []
};

TINY.slideshow.prototype = {
	init:function(s, z, b, f, q) {
		s = $(s);
		var m = $$('li', s), i = 0, w = 0;
		this.l = m.length;
		this.q = $(q);
		this.f = $(z);
		this.r = $(this.info);
		this.o = parseInt(TINY.style.val(z, 'width'));
		if (this.thumbs) {
			var u = $(this.left), r = $(this.right);
			u.onmouseover = new Function('TINY.scroll.init("'+this.thumbs+'",-1,'+this.scrollSpeed+')');
			u.onmouseout = r.onmouseout = new Function('TINY.scroll.cl("'+this.thumbs+'")');
			r.onmouseover = new Function('TINY.scroll.init("'+this.thumbs+'",1,'+this.scrollSpeed+')');
			this.p = $(this.thumbs)
		}
		for (i; i<this.l; i++) {
			this.a[i] = {};
			var h = m[i], a = this.a[i];
			a.t = $$('h3', h)[0].innerHTML;
			a.d = $$('p', h)[0].innerHTML;
			a.l = $$('a', h)[0] ? $$('a', h)[0].href : '';
			a.p = $$('span', h)[0].innerHTML;
			if (this.thumbs) {
				var g = $$('img', h)[0];
				this.p.appendChild(g);
				w+=parseInt(g.offsetWidth);
				if (i != this.l-1) {
					g.style.marginRight = this.spacing+'px';
					w+=this.spacing
				}
				this.p.style.width = w+'px';
				g.style.opacity = this.thumbOpacity / 100;
				g.style.filter = 'alpha(opacity='+this.thumbOpacity+')';
				g.onmouseover = new Function('TINY.alpha.set(this, 100, 5)');
				g.onmouseout = new Function('TINY.alpha.set(this, '+this.thumbOpacity+', 5)');
				g.onclick = new Function(this.n+'.pr('+i+', 1)')
			}
		}
		if (b && f) {
			b = $(b);
			f = $(f);
			b.style.opacity = f.style.opacity = this.navOpacity / 100;
			b.style.filter = f.style.filter = 'alpha(opacity='+this.navOpacity+')';
			b.onmouseover = f.onmouseover = new Function('TINY.alpha.set(this,'+this.navHover+',5)');
			b.onmouseout = f.onmouseout = new Function('TINY.alpha.set(this,'+this.navOpacity+',5)');
			b.onclick = new Function(this.n+'.mv(-1,1)');
			f.onclick = new Function(this.n+'.mv(1,1)')
		}
		this.auto ? this.is(0, 0) : this.is(0, 1)
	},
	mv:function(d, c) {
		var t = this.c + d;
		this.c = t=t<0 ? this.l-1: t>this.l-1 ? 0 : t;
		this.pr(t, c)
	},
	pr:function(t, c) {
		clearTimeout(this.lt);
		if (c) {
			clearTimeout(this.at)
		}
		this.c = t;
		this.is(t, c)
	},
	is:function(s, c) {
		if (this.info) {
			TINY.height.set(this.r, 1, this.infoSpeed / 2, -1)
		}
		var i = new Image();
		i.style.opacity = 0;
		i.style.filter = 'alpha(opacity=0)';
		this.i = i;
		i.onload = new Function(this.n+'.le('+s+','+c+')');
		i.src = this.a[s].p;
		if (this.thumbs) {
			var a = $$('img', this.p), l = a.length, x = 0;
			for (x; x<l; x++) {
				a[x].style.borderColor = x!=s ? '' : this.active
			}
		}
	},
	le:function(s, c) {
		this.f.appendChild(this.i);
		var w = this.o-parseInt(this.i.offsetWidth);
		if (w > 0) {
			var l=Math.floor(w / 2);
			this.i.style.borderLeft = l+'px solid '+this.letterbox;
			this.i.style.borderRight = (w-l)+'px solid '+this.letterbox
		}
		TINY.alpha.set(this.i, 100, this.imgSpeed);
		var n = new Function(this.n+'.nf('+s+')');
		this.lt = setTimeout(n, this.imgSpeed * 100);
		if (!c) {
			this.at = setTimeout(new Function(this.n+'.mv(1,0)'), this.speed * 1000)
		}
		if (this.a[s].l != '') {
			this.q.onclick = new Function('window.location="'+this.a[s].l+'"');
			this.q.onmouseover = new Function('this.className="'+this.link+'"');
			this.q.onmouseout = new Function('this.className=""');
			this.q.style.cursor = 'pointer'
		} else {
			this.q.onclick = this.q.onmouseover = null;
			this.q.style.cursor = 'default'
		}
		var m = $$('img', this.f);
		if (m.length > 2) {
			this.f.removeChild(m[0])
		}
	},
	nf:function(s) {
		if (this.info) {
			s = this.a[s];
			$$('h3', this.r)[0].innerHTML = s.t;
			$$('p', this.r)[0].innerHTML = s.d;
			this.r.style.height = 'auto';
			var h = parseInt(this.r.offsetHeight);
			this.r.style.height = 0;
			TINY.height.set(this.r, h, this.infoSpeed, 0)
		}
	}
};

TINY.scroll = function() {
	return {
		init:function(e, d, s) {
			e = typeof e == 'object' ? e : $(e);
			var p = e.style.left || TINY.style.val(e, 'left');
			e.style.left = p;
			var l = d==1 ? parseInt(e.offsetWidth)-parseInt(e.parentNode.offsetWidth) : 0;
			e.si = setInterval(function(){TINY.scroll.mv(e, l, d, s)}, 20)
		},
		mv:function(e, l, d, s) {
			var c = parseInt(e.style.left);
			if (c == l) {
				TINY.scroll.cl(e)
			} else {
				var i = Math.abs(l + c);
				i = i<s ? i : s;
				var n = c-i*d;
				e.style.left = n+'px'
			}
		},
		cl:function(e) {
			e = typeof e=='object' ? e : $(e);
			clearInterval(e.si)
		}
	}
}();

TINY.height = function() {
	return {
		set:function(e, h, s, d) {
			e = typeof e=='object' ? e : $(e);
			var oh = e.offsetHeight, ho = e.style.height || TINY.style.val(e, 'height');
			ho = oh - parseInt(ho);
			var hd = oh-ho>h ? -1 : 1;
			clearInterval(e.si);
			e.si=setInterval(function(){TINY.height.tw(e, h, ho, hd, s)}, 20)
		},
		tw:function(e, h, ho, hd, s) {
			var oh = e.offsetHeight - ho;
			if (oh == h) {
				clearInterval(e.si);
			} else {
				if (oh != h) {
					e.style.height = oh + (Math.ceil(Math.abs(h - oh) / s) * hd)+'px';
				}
			}
		}
	}
}();

TINY.alpha = function() {
	return {
		set:function(e, a, s) {
			e = typeof e=='object' ? e : $(e);
			var o = e.style.opacity || TINY.style.val(e, 'opacity'), d = a>o * 100 ? 1 : -1;
			e.style.opacity = o;
			clearInterval(e.ai);
			e.ai = setInterval(function(){TINY.alpha.tw(e, a, d, s)}, 20)
		},
		tw:function(e, a, d, s) {
			var o = Math.round(e.style.opacity * 100);
			if (o == a) {
				clearInterval(e.ai)
			} else {
				var n = o + Math.ceil(Math.abs(a - o) / s) * d;
				e.style.opacity = n / 100;
				e.style.filter = 'alpha(opacity='+n+')'
			}
		}
	}
}();

TINY.style = function() {
	return {
		val:function(e, p) {
			e = typeof e=='object' ? e : $(e);
			return e.currentStyle ? e.currentStyle[p] : document.defaultView.getComputedStyle(e, null).getPropertyValue(p)
		}
	}
}();

