// JavaScript Document
function showDiv(num,now,titid,divid){
	for(i=1;i<=num;i++){
		var tit=document.getElementById(titid+i);
		var div=document.getElementById(divid+i);
		if(i==now){
			tit.className = "now";
			div.style.display = "block";
		}else{
			tit.className = "";
			div.style.display = "none";
		}
	}
}