     
     static var isPresented_internetOffline:Bool  = false
     
-    static func alert_noEmailClient() {
-        let alert = UIAlertView()
-        alert.title = SORRY
-        alert.message = NO_EMAIL_CLIENT_FOUND
-        alert.addButtonWithTitle(OK)
-        alert.show()
-    }
-    
-    static func alert_unknowServerError() {
-        let alert = UIAlertView()
-        alert.title = SORRY
-        alert.message = UNKNOWN_SERVER_ERROR
-        alert.addButtonWithTitle(OK)
-        alert.show()
-    }
-    
-    static func alert_internetOffline(vc:UIViewController) {
+    static func sorry_internetOffline(vc:UIViewController) {
         
         // already present
         if isPresented_internetOffline {


class KZDialog {
    
    // TODO : better Enums?
    static var SORRY = "Sorry"
    static var ALERT = "Alert"
    static var THANK_YOU = "Thank you"

        self.show(vc, title: ALERT, message: message, handler: handler)
    }
    
    static func sorry(message:String) {
        self.show(SORRY, message:message)
    }
    
    static func show(vc:UIViewController, title:String, message:String, handler: ((UIAlertAction) -> Void)?) {
        let alert = UIAlertController(title: title, message: message, preferredStyle: UIAlertControllerStyle.Alert)
        alert.addAction(UIAlertAction(title: OK, style: UIAlertActionStyle.Default, handler: handler))
