$(document).ready(function(){
	var D = document;
	var ua = navigator.userAgent;
	
	if(/iPhone|iPod|Android.*Mobile|BlackBerry|(Windows |Mozilla\/[0-9.]+ \()Mobile/.test(ua)){
		var div = D.createElement("li");

		$("#aboutNikkeiBottom").prepend(div);

		var url_parameter = "";
		url_parameter += window.location.pathname;

		$(div).append('<a href="javascript:void(0);" onclick="deleteCookie(\'NK_DS_PC\');window.location.reload(true);">'
			+'<img src="//partsa.nikkei.com/parts/ds/images/common/icon_tablet.svg" alt="モバイル表示" height="12" class="a-vam" />'
			+'モバイル表示</a>');
	}
});
function deleteCookie(key) {
	//「NK_DS_PC」を削除する。
	document.cookie = key + '=0;expires=' + (new Date(0)).toGMTString() + ';domain=.nikkei.com;path=/;';
	//「NK_DS_MW」を付与する。
	var expire_date = new Date();
	expire_date = new Date(expire_date.getTime() + (1000 * 60 * 60 * 24 * 31));
	document.cookie = 'NK_DS_MW=1;expires=' + expire_date.toGMTString() + ';domain=.nikkei.com;path=/;';
}