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='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}
}();

function accordeonMenuClick(elID) {
	var el = $(elID);
	if (!el) return false;
	if (el.select('div').length==0) return; /* if there are no subs - do nothing */

	if (el.hasClassName('level0')) { /* if this level is a top-level - toggle topHighlightClass */
		el.toggleClassName('level0high');
		el.toggleClassName('subSelected');
	}

	el.siblings().each( function(siblingEl) { /* scroll through list of divs of the same DOM-level */
		if (siblingEl.hasClassName('level0high')) /* if it is higlighted - remove it */
			siblingEl.removeClassName('level0high');
		siblingEl.immediateDescendants().each( function (thEl) { /* scroll thorugh all subs of div of same DOM-level and hide them */
			if (thEl.tagName=='DIV') {
				thEl.addClassName('hidden');
				thEl.removeClassName('visible');
			}
		} );
	} );

	el.immediateDescendants().each( function (thEl) { /* scroll through sub divs of this and show them */
		if (thEl.tagName=='DIV') {
			thEl.toggleClassName('hidden');
			thEl.toggleClassName('visible');
		}
	} );
}