function top10menu(number){
	for(i=1;i<=3;i++){
		if(i==number){
			document.getElementById("top10_btn"+number).className='top10_menu_hover';
			document.getElementById("top10_box"+number).style.display='block';
		}else{
			document.getElementById("top10_btn"+i).className="top10_menu";
			document.getElementById("top10_box"+i).style.display='none';
		}
	}
}
function layerbox(number){
	for(i=1;i<=2;i++){
		if(i==number){
			document.getElementById("title"+number).className='box_239_title1';
			document.getElementById("layerbox"+number).style.display='block';
		}else{
			document.getElementById("title"+i).className="box_239_title2";
			document.getElementById("layerbox"+i).style.display='none';
		}
	}
}