<script>
let inputs = document.querySelectorAll('.input__file1');
Array.prototype.forEach.call(inputs, function (input) {
  input.addEventListener('change', function() {
          let label = this.nextElementSibling;
          label.children[0].src="img/activecart1.png";
      })
	})

	let inpts = document.querySelectorAll('.input__file2');
Array.prototype.forEach.call(inpts, function (input) {
  input.addEventListener('change', function() {
          let label = this.nextElementSibling;
          label.children[0].src="img/activecart2.png";
      })
	})


</script>