var urls = {

	en : "http://www.navnet.com/",

	ja : "http://www.navnet.com/jp/"

};



var urlParam = "fixed";



function getBrowserLang() {

	if(document.all) {

		return navigator.browserLanguage;

	} else if(document.getElementById) {

		return navigator.language.substr(0,2);

	}

}



function checkLang() {

	var array = location.search.split("?");

	if (array[1] == urlParam) {

		//alert("fixed page");

		return;

	}

	//alert("get lang");

	//return;

	var brower_lang = getBrowserLang();

	if (brower_lang == "ja") {

		changeLang(brower_lang, false);

	}

}





function changeLang(la, isFixed) {

	//alert("change " + urls[la] + ((isFixed) ? ("?" + urlParam) : ""));

	location.href = urls[la] + ((isFixed) ? ("?" + urlParam) : "");

}