function doClick(o){
	 o.className="nav_current";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=4;i++){
	   id ="nav"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("sub"+i);
	   if(id != o.id){
	   	 j.className="nav_link";
	   	 e.style.display = "none";
	   }else{
			e.style.display = "block";
	   }
	 }
}

function more(){
	var more;
	more =document.getElementById("more");
	more.style.display = "block";
	var less;
	less =document.getElementById("less");
	less.style.display = "none";
}

function less(){
	var more;
	more =document.getElementById("more");
	more.style.display = "none";
	var less;
	less =document.getElementById("less");
	less.style.display = "block";
}

function detailbytime(){
	var detailbytime;
	detailbytime =document.getElementById("detailbytime");
	detailbytime.style.display = "block";
	var detailbycount;
	detailbycount =document.getElementById("detailbycount");
	detailbycount.style.display = "none";
}

function detailbycount(){
	var detailbycount;
	detailbycount =document.getElementById("detailbycount");
	detailbycount.style.display = "block";
	var detailbytime;
	detailbytime =document.getElementById("detailbytime");
	detailbytime.style.display = "none";
}

function yjbytime(){
	var yjbytime;
	yjbytime =document.getElementById("yjbytime");
	yjbytime.style.display = "block";
	var yjbycount;
	yjbycount =document.getElementById("yjbycount");
	yjbycount.style.display = "none";
}

function yjbycount(){
	var yjbycount;
	yjbycount =document.getElementById("yjbycount");
	yjbycount.style.display = "block";
	var yjbytime;
	yjbytime =document.getElementById("yjbytime");
	yjbytime.style.display = "none";
}