// An element with an ID of main
  var obj = document.getElementById("main");
  
  // An array of items to bind to
  var items = [ "click", "keypress" ];
  
  // Iterate through each of the items
  for ( var i = 0; i < items.length; i++ ) {
      // Use a self-executed anonymous function to induce scope
      (function(){
          // Bind a function to the elment
          obj[ "on" + items[i] ] = function() {
              // items[i] refers to a parent variable that has been successfully
              // scoped within the context of this for loop
              alert( "Thanks for your " + items[i] );
          };
      })();
  }