if (document.layers)
  document.captureEvents(Event.KEYDOWN);
  document.onkeydown =
    function (evt) { 
      var keyCode = evt ? (evt.which ? evt.which : evt.keyCode) : event.keyCode;
      if (keyCode == 13)   //13 = the code for pressing ENTER
 
      {
         document.form.submit();
      }
    }

function toggleLogin(id) {
		var login = document.getElementById(id);
		if (login.style.display == 'block')
			login.style.display = 'none';
		else
			login.style.display = 'block';
		
		}