function checkParams() {
  var name = $('#name').val();
  var city = $('#city').val();
  var text = $('#text').val();
   
  if(name.length != 0 && city.length != 0 && text.length != 0) {
      $('.message__btn').removeAttr('disabled');
  } else {
      $('.message__btn').attr('disabled', 'disabled');
  }
}
 $(function(){
   	$('.message__btn').on('click', function(){
		$('.overlay').addClass('show');
   	});
 });
 $(function(){
  $('.popup__btn').on('click', function(){
    $('.overlay').removeClass('show');
   });
 });
 $(function(){
  let inputs = document.querySelectorAll('.message__file');
  Array.prototype.forEach.call(inputs, function (input) {
    let label = input.nextElementSibling,
      labelVal = label.querySelector('.message__add-text').innerText;

    input.addEventListener('change', function (e) {
      let countFiles = '';
      if (this.files && this.files.length >= 1)
        countFiles = this.files.length;

      if (countFiles)
        label.querySelector('.message__add-text').innerText = 'Выбрано файлов: ' + countFiles;
      else
        label.querySelector('.message__add-text').innerText = labelVal;
    });
  });
 });
 $(function(){
  	$('.message__btn').on('click', function(){
    	setTimeout(function(){
			$(".popup__wait").css("display", "none");
			$(".popup__inner").css("display", "block");
  		}, 3500);
  	})
	$('.popup__btn').on('click', function(){
      	$(".popup__wait").css("display", "block");
  		$(".popup__inner").css("display", "none");
  	})
});