Here is a link to the page http://research.h1n.ru/contacts/
The console says this: myform.js? Ver = 5.5.1: 59 Uncaught TypeError: Cannot read property 'addEventListener' of null
at myform.js? ver = 5.5.1: 59
where does the version number come from?
And most importantly: why does the script not expand the form? And what does the console say?
To place the code, please use CodePen or similar tool. Thanks you!