Function index

documentation/javascript/application.js:10238–10242

(array, item)

  // IE doesn't support Array#indexOf, so have a simple replacement
  function index(array, item){
    var i = array.length;
    while(i--) if(array[i]===item) return i;
    return -1;
  }

  // handle keydown event
  function dispatch(event, scope){