var accordion=function(){
    var tm=sp=10;
    function slider(n){this.nm=n; this.arr=[]}
    slider.prototype.init=function(t,c,k){
        var a,h,s,l,i; a=document.getElementById(t); this.sl=k?k:'';
        h=a.getElementsByTagName('dt'); s=a.getElementsByTagName('dd'); this.l=h.length;
        for(i=0;i<this.l;i++){var d=h[i]; this.arr[i]=d; d.onclick=new Function(this.nm+'.pro(this)'); if(c==i){d.className=this.sl}}
        l=s.length;
        for(i=0;i<l;i++){var d=s[i]; d.mh=d.offsetHeight; if(c!=i){d.style.height=0; d.style.display='none'}}
    }
    slider.prototype.pro=function(d){
        for(var i=0;i<this.l;i++){
            var h=this.arr[i], s=h.nextSibling; s=s.nodeType!=1?s.nextSibling:s; clearInterval(s.tm);
            if(h==d&&s.style.display=='none'){s.style.display=''; su(s,1); h.className=this.sl}
            else if(s.style.display==''){su(s,-1); h.className=''}
        }
    }
    function su(c,f){c.tm=setInterval(function(){sl(c,f)},tm)}
    function sl(c,f){
        var h=c.offsetHeight, m=c.mh, d=f==1?m-h:h; c.style.height=h+(Math.ceil(d/sp)*f)+'px';
        c.style.opacity=h/m; c.style.filter='alpha(opacity='+h*100/m+')';
        if(f==1&&h>=m){clearInterval(c.tm)}else if(f!=1&&h==1){c.style.display='none'; clearInterval(c.tm)}
    }
    return{slider:slider}
}();