function createCookie(name,value,days) {
 if (days) {
  var date = new Date();
  date.setTime(date.getTime()+(days*24*60*60*1000));
  var expires = "; expires="+date.toGMTString();
 } else {
  var expires = "";
 }
 document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
 var nameEQ = name + "=";
 var ca = document.cookie.split(';');
 for(var i=0;i < ca.length;i++) {
  var c = ca[i];
  while (c.charAt(0)==' ') c = c.substring(1,c.length);
  if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
 }
 return null;
}
function eraseCookie(name) {
 createCookie(name,"",-1);
}
var num = 100;
var val = 'x';
window.onload = function() {
 if (!document.getElementById) return;
 document.getElementById('cmdTestButton').onclick = function() {
  var field = document.getElementById('txtTestCreate');
  num = document.getElementById('txtNumber').value;
  val = document.getElementById('txtValue').value;
  field.value = '';
  for (var i = 0; i < num; i++) {
   createCookie('testCookie' + i, val, 1);
   field.value += 'Cookie #' + i + ' set\n';
  }
  alert('Created ' + num + ' cookies for you, have a nice meal!');
 }
 document.getElementById('cmdTestButtonCheck').onclick = function() {
  var field = document.getElementById('txtTestCheck');
  field.value = '';
  var max = 0;
  for (var i = 0; i < num; i++) {
   var testFluff = readCookie('testCookie' + i);
   if (testFluff) {
    field.value += 'Cookie #' + i + ' set\n';
    max++;
   }
  }
  alert(max + ' cookies were still set. You probably ate about ' + (num - max) + '.');
 }
 document.getElementById('cmdRemoveCookies').onclick = function() {
  for (var i = 0; i < num; i++) {
   eraseCookie('testCookie' + i);
  }
  alert('All cookies erased again.');
 }
}