// JavaScript Document

function rlov(vn)
{
	var tn = vn+"_2.gif";
	document.getElementById(vn).src = "kentei/img/"+tn;
	slov(vn);
}
function slov(vn)
{
	var tn = vn + "_s";
	var dspc = document.getElementById(tn).style.display;
	if(dspc=="none"){document.getElementById(tn).style.display = "block";}
	else{document.getElementById(tn).style.display = "none";}
}
function olov(vn)
{
	var tn = vn+"_1.gif";
	document.getElementById(vn).src = "kentei/img/"+tn;
	slov(vn);
}