function changelang(e){
	var link = location.href;
	var slen = "/"+e+"/";
	slen = slen.length;
	pos1 = link.indexOf("/"+e+"/");
	if (pos1 > -1){
		pos1 = pos1+slen;
		fi = link.substr(pos1,(link.length-pos1));
	}else{
		pos1 = link.lastIndexOf("/");
		pos1 = pos1+1;
		fi = link.substr(pos1,(link.length-pos1));
	}
	
	location.href = "../"+e+"/"+fi;

}

document.write('<div align="right"><a href="javascript:changelang(\'eng\')"><img src="image/flags/eng.jpg" border="0" valign="middle"></a><a>&nbsp;</a><a href="javascript:changelang(\'tha\')"><img src="image/flags/tha.jpg" border="0" valign="middle"></a><a>&nbsp;</a></div>');