var accordion=function(){
	var tm=sp=2;
	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 && c != ""){
				if (c == "") {
					d.style.height=0; d.style.display='none';
				} else {
					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); c.style.filter='alpha(opacity=100)'; } else if(f!=1&&h==1){c.style.display='none'; clearInterval(c.tm); c.style.filter='alpha(opacity=0)';}
	}
	return{slider:slider}
}();