var menu=function(){
var t=1,z=40,s=2,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}
}();
