var TINY={};

(function(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=70;
		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;
			
			var onload = new Function(this.n+'.le('+s+','+c+')');
			i.onload = function() {
				
				function checkComplete() {
					var img = jQuery(i);
					if (!img.attr("complete")) {
						setTimeout(checkComplete, 100);
					} else {
						if (img.attr("width") > 0) {
							var p = jQuery("#fullsize");
							
							var iw = img.attr("width"), ih = img.attr("height");
							var pw = p.width(), ph = p.height();
							
							var wr = iw / pw;
							var hr = ih / ph;
							var r = hr > wr ? hr : wr;
							
							iw = Math.floor(iw / r);
							ih = Math.floor(ih / r);

							var pad_left = Math.floor((pw - iw) / 2);
							var pad_right = pw - iw - pad_left;
							
							var pad_top = Math.floor((ph - ih) / 2);
							var pad_bottom = ph - ih - pad_top;
							
							if (false) {
								console.log("image", img, iw, ih);
								console.log("parent", p, pw, ph);
								console.log("scale", r, wr, hr);
							}
							
							img.css({
								width: iw + "px",
								height: ih + "px",
								backgroundColor: "#fff",
								paddingTop: pad_top + "px",
								paddingBottom: pad_bottom + "px",
								paddingLeft: pad_left + "px",
								paddingRight: pad_right + "px"
							});
						}
						onload();
					}
				}
				checkComplete();
			}
			i.src=this.a[s].p;
			if(this.thumbs){
				var a=$$('img',this.p), l=a.length, x=0;
				for(x;x<l;x++){
					a[x].style.borderColor=x!=s?'':this.active
				}
			}
		},
		le:function(s,c){
			this.f.appendChild(this.i);
			var w=this.o-parseInt(this.i.offsetWidth);
			if(w>0){
				var l=Math.floor(w/2);
				this.i.style.borderLeft=l+'px solid '+this.letterbox;
				this.i.style.borderRight=(w-l)+'px solid '+this.letterbox
			}
			TINY.alpha.set(this.i,100,this.imgSpeed);
			var n=new Function(this.n+'.nf('+s+')');
			this.lt=setTimeout(n,this.imgSpeed*100);
			if(!c){
				this.at=setTimeout(new Function(this.n+'.mv(1,0)'),this.speed*1000)
			}
			if(false && this.a[s].l!=''){
				this.q.onclick=new Function('window.open("'+this.a[s].l+'")');
				this.q.onmouseover=new Function('this.className="'+this.link+'"');
				this.q.onmouseout=new Function('this.className=""');
				this.q.style.cursor='pointer'
			}else{
				this.q.onclick=this.q.onmouseover=null;
				this.q.style.cursor='default'
			}
			var m=$$('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)
			}
		}
	}();
})(TINY);