function mm_main(mm_level, label) {
	var inLink = document.location.href;
	strValues = inLink.split("/");
	if (strValues[strValues.length-2] == "zh" || strValues[strValues.length-2] == "cn"  || strValues[strValues.length-2] == "en" )
		targetLink = strValues[strValues.length-1];
	else
		targetLink = strValues[strValues.length-2] + "/" + strValues[strValues.length-1];

	if (!mm_level) mm_level = "../";
	else mm_level=""; 
	if (label=="home") {
		window.location.href = mm_level+"index.html";
	} else if (label=="cn") {
		window.location = mm_level+"../cn/"+targetLink;
	} else if (label=="en") {
		window.location = mm_level+"../en/"+targetLink;
	} else if (label=="zh") {
		window.location = mm_level+"../zh/"+targetLink;
	}
}