prevent_default.js

optimizely.$(".button1").live('click', function(e) { 
  
     event.preventDefault(); //prevents the default action from triggering
     
     var destination = optimizely.$(this).attr('href'); //stores the intended redirect URL to a variable
     
     window.optimizely = window.optimizely || []; //activates Optimizely
     
     window.optimizely.push(['trackEvent', 'eventName', {'revenue': 4995}]); //issues tracking call to Optimizely
     
     setTimeout(function() { window.location.href = destination; }, 1000); //gives one second delay before directing the visitor back to the original webpage.
}); 

/*
time in MS

*/