//COOKIE HANDLING CODE
    /*
   name - name of the cookie
   value - value of the cookie
   [expires] - expiration date of the cookie
     (defaults to end of current session)
   [path] - path for which the cookie is valid
     (defaults to path of calling document)
   [domain] - domain for which the cookie is valid
     (defaults to domain of calling document)
   [secure] - Boolean value indicating if the cookie transmission requires
     a secure transmission
   * an argument defaults when it is assigned null as a placeholder
   * a null placeholder is not required for trailing omitted arguments
*/
function setCookie(name, value, expires, path, domain, secure) 
{
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

/*
   name - name of the cookie
   [path] - path of the cookie (must be same as path used to create cookie)
   [domain] - domain of the cookie (must be same as domain used to
     create cookie)
   path and domain default if assigned null or omitted if no explicit
     argument proceeds
*/
function deleteCookie(name, path, domain) 
{
  if (getCookie(name)) 
  {
    document.cookie = name + "=" +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

/*
  name - name of the desired cookie
  return string containing value of specified cookie or null
  if cookie does not exist
*/
function getCookie(name) 
{


    if (document.cookie.length > 0) 
    { 
        begin = document.cookie.indexOf(name+"="); 
        if (begin != -1) 
        { 
            begin += name.length+1; 
            end = document.cookie.indexOf(";", begin);
            if (end == -1) 
                end = document.cookie.length;
            return unescape(document.cookie.substring(begin, end)); 
        } 
         
    }
    return null;
}




//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;

  //alert(document.cookie.length);
//  if (document.cookie.length > 0)
//  {
//      var dc = document.cookie;
//      var prefix = name + "=";
//      var begin = dc.indexOf("; " + prefix);
//      if (begin == -1) 
//      {
//        begin = dc.indexOf(prefix);
//        if (begin != 0) 
//            return null;
//      } 
//      else
//        begin += 2;
//      var end = document.cookie.indexOf(";", begin);
//      if (end == -1)
//        end = dc.length;
//      return unescape(dc.substring(begin + prefix.length, end));
//  }
//  else
//      return null;