[рони]

Franz, классика делегирования

function show() {
  	  document.getElementById('modal-bg').style.display = 'block';
  	}
  	window.onload = function () {
  	  document.onclick = function (e) {
  	    e = e || window.event;
  	    var target = event.target || event.srcElement;
  	    while(target != this) {
  	      if (target.id == 'mce-responses') {
  	        return
  	      }
  	      target = target.parentNode;
  	    }
  	    document.getElementById('mce-success-response').style.display = 'none';
  	    document.getElementById('mce-error-response').style.display = 'none';
  	    document.getElementById('modal-bg').style.display = 'none';
  	  }
  	}