function setCookie(name, value, expires, path, domain, secure) {
  var today = new Date();
  today.setTime( today.getTime() );
  
  if (expires) {
    expires = expires * 1000 * 60 * 60 * 24;
  }
  var expires_date = new Date( today.getTime() + (expires) );

  document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
	( ( path ) ? ";path=" + path : "" ) + 
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}

function getCookie(name) {
  var a_all_cookies = document.cookie.split( ';' );
  var a_temp_cookie = '';
  var cookie_name = '';
  var cookie_value = '';
  var b_cookie_found = false;
	
  for (i = 0; i < a_all_cookies.length; i++ ) {
    a_temp_cookie = a_all_cookies[i].split( '=' );
		
    cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
    if (cookie_name == name) {
  	  b_cookie_found = true;
	  if (a_temp_cookie.length > 1) {
	    cookie_value = unescape(a_temp_cookie[1].replace(/^\s+|\s+$/g, ''));
	  }
	  return cookie_value;
	  break;
	}
    a_temp_cookie = null;
    cookie_name = '';
  }
	
  if (!b_cookie_found) {
    return null;
  }
}