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);
}

function eraseAllCookies()
{
  eraseCookie("user"); 
  eraseCookie("persist");   
  eraseCookie("lastlogin"); 
  eraseCookie("login");
  eraseCookie("userwork");
  eraseCookie("votedForList");
  eraseCookie("id101");
  eraseCookie("seq");
  eraseCookie("fname");
  eraseCookie("when");
  eraseCookie("gender");
}

function cleanAllCookies()
{
  eraseAllCookies(); //calling this twice to take care of dirty cookies problems
  eraseAllCookies();
}