/* change lang */

function chlangen() {

		var url=parent.document.URL;

			newurl =url.replace('/tha/','/eng/');
			parent.window.location=newurl;
}

function chlangth() {

		var url=parent.document.URL;
			newurl =url.replace('/eng/','/tha/');
			parent.window.location=newurl;
}