var slideShow=function(){
    if (document.getElementById(thumbid)){
        var bxs,bxe,fxs,fxe,ys,ye,ta,ia,ie,st,ss,ft,fs,xp,yp,ci,t,tar,tarl;
        ta=document.getElementById(thumbid); ia=document.getElementById(imgid);
        t=ta.getElementsByTagName('li'); ie=document.all?true:false;
        st=3; ss=3; ft=10; fs=5; xp,yp=0;
        return{
            init:function(){
                document.onmousemove=this.pos; window.onresize=function(){setTimeout("slideShow.lim()",500)};
                ys=this.toppos(ta); ye=ys+ta.offsetHeight;
                len=t.length;tar=[];
                for(i=0;i<len;i++){
                    var id=t[i].value; tar[i]=id;
                    t[i].onclick=new Function("slideShow.getimg('"+id+"')");
                    if(i==0){this.getimg(id)}
                }
                tarl=tar.length;
            },
            scrl:function(d){
                clearInterval(ta.timer);
                var l=(d==-1)?0:(t[tarl-1].offsetLeft-(ta.parentNode.offsetWidth-t[tarl-1].offsetWidth)+10)
                ta.timer=setInterval(function(){slideShow.mv(d,l)},st);
            },
            mv:function(d,l){
                ta.style.left=ta.style.left||'0px';
                var left=ta.style.left.replace('px','');
                if(d==1){
                    if(l-Math.abs(left)<=ss){
                        this.cncl(ta.id); ta.style.left='-'+l+'px';
                    }else{ta.style.left=left-ss+'px'}
                }else{
                    if(Math.abs(left)-l<=ss){
                        this.cncl(ta.id); ta.style.left=l+'px';
                    }else{ta.style.left=parseInt(left)+ss+'px'}
                }
            },
            cncl:function(){clearTimeout(ta.timer)},
            getimg:function(id){
                if(auto){clearTimeout(ia.timer)}
                if(ci!=null){
                    var ts,tsl,x;
                    ts=ia.getElementsByTagName('img'); tsl=ts.length;x=0;
                    for(x;x<tsl;x++){
                        if(ci.id!=id){var o=ts[x]; clearInterval(o.timer); o.timer=setInterval(function(){slideShow.fdout(o)},fs)}
                    }
                }/*
                if(!document.getElementById(id)){
                    var i=document.createElement('img');
                    ia.appendChild(i);
                    i.id=id; i.av=0; i.style.opacity=0;
                    i.style.filter='alpha(opacity=0)';
                    i.src=imgdir+'/'+id+imgext;
                }else{
                    i=document.getElementById(id); clearInterval(i.timer);
                }
                i.timer=setInterval(function(){slideShow.fdin(i)},fs);*/
            },
            nav:function(d){
                var c=0;
                for(key in tar){if(tar[key]==ci.id){c=key}}
                if(tar[parseInt(c)+d]){
                    this.getimg(tar[parseInt(c)+d]);
                }else{
                    if(d==1){
                        this.getimg(tar[0]);
                    }else{this.getimg(tar[tarl-1])}
                }
            },
            auto:function(){ia.timer=setInterval(function(){slideShow.nav(1)},autodelay*1000)},
            fdin:function(i){
                if(i.complete){i.av=i.av+fs; i.style.opacity=i.av/100; i.style.filter='alpha(opacity='+i.av+')'}
                if(i.av>=100){if(auto){this.auto()}; clearInterval(i.timer); ci=i}
            },
            fdout:function(i){
                i.av=i.av-fs; i.style.opacity=i.av/100;
                i.style.filter='alpha(opacity='+i.av+')';
                if(i.av<=0){clearInterval(i.timer); if(i.parentNode){i.parentNode.removeChild(i)}}
            },
            lim:function(){
                var taw,taa,len; taw=ta.parentNode.offsetWidth; taa=taw/4;
                bxs=slideShow.leftpos(ta); bxe=bxs+taa; fxe=bxs+taw; fxs=fxe-taa;
            },
            pos:function(e){
                xp=ie?event.clientX+document.documentElement.scrollLeft:e.pageX;
                yp=ie?event.clientY+document.documentElement.scrollTop:e.pageY;
                if(xp>bxs&&xp<bxe&&yp>ys&&yp<ye){
                    slideShow.scrl(-1);
                }else if(xp>fxs&&xp<fxe&&yp>ys&&yp<ye){
                    slideShow.scrl(1);
                }else{slideShow.cncl()}
            },
            leftpos:function(t){
                var l=0;
                if(t.offsetParent){
                    while(1){l+=t.offsetLeft; if(!t.offsetParent){break}; t=t.offsetParent}
                }else if(t.x){l+=t.x}
                return l;
            },
            toppos:function(t){
                var p=0;
                if(t.offsetParent){
                    while(1){p+=t.offsetTop; if(!t.offsetParent){break}; t=t.offsetParent}
                }else if(t.y){p+=t.y}
                return p;
            }
        };
    }
}();
if (document.getElementById(thumbid)){
    window.onload=function(){slideShow.init(); slideShow.lim()};
}