function IEcheck() {
	
  var ua=window.navigator.userAgent;
  ua=ua.replace(/ /g,"");
  var ver=ua.match(/MSIE(\d\.*\d*)/)
  ver=RegExp.$1-0;

  if(ver!=0&&ver<6){
     return(-1);	
  }
   return(1);
}


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+')'); */
			h.onmouseout=new Function(this.n+'.st('+i+',false)');
		}
	}
	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'} */
			if(f==1){c.style.filter=''; c.style.opacity=0.9; 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; */
		var d=(f==1)?Math.ceil((c.mh-h)/s):Math.ceil(h/2), o=h/c.mh;
		c.style.opacity=o; c.style.filter='alpha(opacity='+(o*100)+')';
/*		c.style.opacity=0.9; c.style.filter='alpha(Opacity=90)'; */
		c.style.height=h+(d*f)+'px'
	}
	return{dd:dd}


	
}();