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.getElementsByTagName('ul'), l=s.length, i=0;
 for(i;i<l;i++){
  var h=s[i].parentNode;
  this.h[i]=h;
  this.c[i]=s[i];
  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;
  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{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'
}
return{dd:dd}
}();