var menu=function(){
	var t=15,z=50,s=6,a;
	function dd(n){this.n=n; this.h=[]; this.c=[]}
	dd.prototype.init=function(p,c){
		a=c; var w=document.getElementById(p), s=w.childNodes, l=s.length, i=0;
		for(i;i<l;i++){
			var h=s[i];
			x=s[i].getElementsByTagName('ul');
			this.c[i]=x.length>0 ? x[0]:document.createElement('ul');
			this.h[i]=h;
			if(i+1 == l){
				h.onmouseover=new Function(this.n+'.st2('+i+',true)');
				h.onmouseout=new Function(this.n+'.st2('+i+')');
			}else{
				h.onmouseover=new Function(this.n+'.st('+i+',true)');
				h.onmouseout=new Function(this.n+'.st('+i+')');
			}
		}
	}
	dd.prototype.st=function(x,f){
		var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0];
		clearInterval(c.t); c.style.overflow='hidden';
		if(f){
			p.className+=' '+a;
			h.className+=' '+a;
			if(!c.mh){c.style.display='block'; c.style.height=''; c.mh=c.offsetHeight; c.style.height=0}
			if(c.mh==c.offsetHeight){c.style.overflow='visible'}
			else{c.style.zIndex=z; z++; c.t=setInterval(function(){sl(c,1)},t)}
		}else{h.className=h.className.replace(a,'');p.className=p.className.replace(a,''); c.t=setInterval(function(){sl(c,-1)},t)}
	}
	dd.prototype.st2=function(x,f){
		var c=this.c[x], h=this.h[x], p=h.getElementsByTagName('a')[0];
		clearInterval(c.t);
		c.style.overflow='hidden';
		if(f){
			p.className+=' '+a;
			h.className+=' '+a;
			if(!c.mh){
				c.style.display='block';
				c.style.height='';
				c.mh=c.offsetHeight;
				c.style.height=0;
			}
			if(c.mh==c.offsetHeight){
				c.style.overflow='visible';
			}else{
				c.style.zIndex=z;
				z++;
				c.t=setInterval(function(){sl(c,1)},t);
			}
			c.style.left='-250px';
		}else{
			h.className=h.className.replace(a,'');
			p.className=p.className.replace(a,'');
			c.t=setInterval(function(){sl(c,-1)},t);
		}
	}
	function sl(c,f){
		/*
		var h=c.offsetHeight;
		if((h<=0&&f!=1)||(h>=c.mh&&f==1)){
			if(f==1){c.style.filter=''; c.style.opacity=1; c.style.overflow='visible'}
			clearInterval(c.t); return
		}
		var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/s), o=h/c.mh;
		c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')';
		c.style.height=h+(d*f)+'px'
		*/
		if (f!=1){
			c.style.opacity=0;
			c.style.height=0;
		} else {
			c.style.opacity=1;
			c.style.height=c.mh+'px';
		}
	}
	return{dd:dd}
}();