function ShowLanguage(val)
{
	var fullurl = document.URL;
	fullurl = fullurl.replace("&selectedLanguage=en","");
	fullurl = fullurl.replace("&selectedLanguage=th","");	
	fullurl = fullurl.replace("selectedLanguage=en","");
	fullurl = fullurl.replace("selectedLanguage=th","");		
	try{
	url = fullurl.substring(0, fullurl.indexOf('?'));
	params = fullurl.substring(fullurl.indexOf('?')+1, fullurl.length);
	params += "&selectedLanguage="+ val;
	
	window.open(url+'?'+params, "_self");
	}catch(exception){}
}