function changeLang()
{
	url = document.location.toString();
url1=document.location.hostname.toString();
	url = url.toLowerCase();
	url1= url1.toLowerCase();
//	if (url.indexOf('index_c.asp') > -1)
//		url = url.replace('index_c','index_e');
//	else
//		url = url.replace('index_e','index_c');
//	
//	if (url.indexOf('chinese/') > -1)
//		url = url.replace('chinese','english');
//	else
//		url = url.replace('english','chinese');
//	 
if (url.indexOf('chinese/') > -1)
		url2 = "http://"+url1+"/english/index_e.asp";
	else
		url2 = "http://"+url1+"/chinese/index_c.asp";

	document.location = url2;
}