// JavaScript Document
function popup(in_id)
{
	
		if (document.getElementById(in_id).style.visibility=="visible")
			document.getElementById(in_id).style.visibility="hidden";
		else
			document.getElementById(in_id).style.visibility="visible";
}

function chg_lang(in_lan)
{

	f1na=window.location.href.replace(/\/eng\//g,in_lan)
	f1na=f1na.replace(/\/sim\//g,in_lan)
	f1na=f1na.replace(/\/chi\//g,in_lan)
	


	window.location.href=f1na


}