var MENU_WIDTH = 215;
var IS_VERTICAL = true;

var menu=function(){
	var t=15,z=50,s=1,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='visible';
		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.style.filter=''; 
				c.style.opacity=1; 
				c.style.overflow='visible';
			}
			if(IS_VERTICAL) c.style.left=MENU_WIDTH + 'px';
		}
		else{
			p.className=p.className.replace(a,''); 
			c.style.filter=''; 
			c.style.opacity=0; 
			c.style.overflow='hidden';
		}
	}
	return{dd:dd}
}();