Emoncms.org buttons don't change status

Hi everybody, I’m new in this forum.
I have a big problem for me, since two days, because I created a dashboard with some buttons that doesn’t work anymore (they doesn’t preserve status more than 2 seconds). I’m using this program since years daily and it always worked, but two days ago stopped working by smartphone. I tried with three different types of smartphone with different operating systems (Windows phone, Android) and with different browsers (Google Chrome, I.E., Dolphin). Operating with Emoncms by pc it works instead: the button changes status and keep it. I use this dashboard connecting pc and smartphone to the web site www.emoncms.org.
Help me, please. Thank you