var menu=function(){


	var t=15,z=999999,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}


}();