var code = [ -38, -38, -40, -40, -37, -39, -37, -39, 97, 98 ];
var kpos = 0;

function konami(e) {
   if (e) {
      var key = e.charCode ? e.charCode : -e.keyCode;
      if (key == code[kpos]) {
         kpos++;
      } else if (key == code[0]) {
         kpos = 1;
      } else {
         kpos = 0;
      }
      if (kpos == code.length) {
         kpos = 0;
         document.location = "http://www.leplus.org/arcade/";
      }
   }
   return true;
}

document.onkeypress = konami;