function downloadIOS() {
	var ua = window.navigator.userAgent.toLowerCase();
	if (ua.match(/MicroMessenger/i) == 'micromessenger') {
		$('#weixin_tip').show();
	}
	else {
		//appStore地址
		$('#weixin_tip').hide();
		location.href = "";
	}
}

function downloadAD() {
	var ua = window.navigator.userAgent.toLowerCase();
	if (ua.match(/MicroMessenger/i) == 'micromessenger') {
		$('#weixin_tip').show();
	}
	else {
		//安卓地址 
		$('#weixin_tip').hide();
		location.href = "";
	}
}