// JavaScript Document

 function $(id){return document.getElementById(id)}

function chdiv(titcode,doccode,nownum,totnum)
{
	for(i=1;i<totnum+1;i++)
	{
		$(titcode+i).className="";
		$(doccode+i).style.display="none";
		//if(i!=nownum&&$(titcode+i).className=="on"){$(titcode+i).className="";$(doccode+i).style.display="none";}
	}
	$(titcode+nownum).className="on";
	$(doccode+nownum).className="list1";
	$(doccode+nownum).style.display="block";
}