gistfile1.js

window.addEvent('domready', function () {
  
  Behavior.addGlobalFilters ({
  
    LinkHijack: {
          
      defaults: {
        "text": "Default Text",    // the text you want output
        "useAlert": false,      // false to use console, true to use alert
        "preventDefault": true    // true to make hijacked link stop from proceding
      },
          
      setup: function (elem, api) {
        
        elem.addEvent ("click", function (e) {
          
          if (api.options.preventDefcault) {
            e.preventDefault();
          }
          
          if (api.options.type == "alert")
            alert (api.options.text);
          else
            console.log (api.options.text)
          
        }
      }
    }
  });
  
  new Behavior().apply(document.body);
  
});