/*ÅÇ¸Þ´º ½ºÅ©¸³Æ®(id³×ÀÓ,id¹øÈ£,ÃÑ°¹¼ö)*/
function show_sub(obj,num,total){
	for(var i=1; i<=total; i++){
		if(i == num){
			document.getElementById(obj+i).style.display = 'block';
		}else{
			document.getElementById(obj+i).style.display = 'none';
		}
	}
}
