var rep = confirm("Welcome to the intelligent page...\nA page capable of taking decisions\nWould you like to proceed?\n\n(Clicking on the 'Cancel' button will take you to the homepage)");

if (rep != true)
   {
   location="../../index.html";
   }

function und()
   {
   var response = confirm("Have you understood the confirm box?");
   if (response == false)
      {
      alert("Go thru the sessions again");
      }
   }