function doClick(o){
	o.className="nav_current";
	var j;
	var id;
	var e;
	for(var i=1;i<=3;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 edoClick(o){
	o.className="sh_current";
	var j;
	var id;
	var e;
	for(var i=1;i<=3;i++){
		id ="sh"+i;
		j = document.getElementById(id);
		e = document.getElementById("subsh"+i);
		if(id != o.id){
			j.className="sh_link";
			e.style.display = "none";
		}else{
			e.style.display = "block";
		}
	}
}


function cdoClick(o){
	o.className="rw_current";
	var j;
	var id;
	var e;
	for(var i=1;i<=2;i++){
		id ="rw"+i;
		j = document.getElementById(id);
		e = document.getElementById("subrw"+i);
		if(id != o.id){
			j.className="rw_link";
			e.style.display = "none";
		}else{
			e.style.display = "block";
		}
	}
}



function ndoClick(o){
	o.className="nj_current";
	var j;
	var id;
	var e;
	for(var i=1;i<=2;i++){
		id ="nj"+i;
		j = document.getElementById(id);
		e = document.getElementById("subnj"+i);
		if(id != o.id){
			j.className="nj_link";
			e.style.display = "none";
		}else{
			e.style.display = "block";
		}
	}
}