closeдолжен быть свой дата-таргет - например data-target=".js-popup-one"$(".close").click(function() {
    $($(this).data("target")).css({
      "display": "none"
    });<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="HelloWorld.Android" android:versionCode="1" android:versionName="1.0" android:installLocation="auto">
	<uses-sdk android:minSdkVersion="17" android:targetSdkVersion="19" />
	<application android:label="HelloWorld.Android" android:icon="@drawable/Icon"></application>
	<uses-permission android:name="android.permission.INTERNET" />
</manifest>12-18 10:41:15.738 E/mono    (11329): 
12-18 10:41:15.738 E/mono    (11329): Unhandled Exception:
12-18 10:41:15.738 E/mono    (11329): System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ServiceModel.EndpointNotFoundException: A system exception has occurred. ---> System.Net.WebException: Error: ConnectFailure (Network is unreachable) ---> System.Net.Sockets.SocketException: Network is unreachable
12-18 10:41:15.738 E/mono    (11329):   at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x00000] in <filename unknown>:0 
12-18 10:41:15.738 E/mono    (11329):   at System.Net.WebConnection.Connect (System.Net.HttpWebRequest request) [0x00000] in <filename unknown>:0