function retrieveCookie( cookieName ) {
	var cookieJar = document.cookie.split( "; " );
	for( var x = 0; x < cookieJar.length; x++ ) {
		var oneCookie = cookieJar[x].split( "=" );
		if( oneCookie[0] == escape( cookieName ) ) { return unescape( oneCookie[1] ); }
	}
	return null;
}

function setCookie( cookieName, cookieValue, lifeTime, path, domain, isSecure ) {
	if( !cookieName ) { return false; }
	if( lifeTime == "delete" ) { lifeTime = -10; }
	document.cookie = escape( cookieName ) + "=" + escape( cookieValue ) +
		( lifeTime ? ";expires=" + ( new Date( ( new Date() ).getTime() + ( 1000 * lifeTime ) ) ).toGMTString() : "" ) +
		( path ? ";path=" + path : "") + ( domain ? ";domain=" + domain : "") + 
		( isSecure ? ";secure" : "");
	if( lifeTime < 0 ) { if( typeof( retrieveCookie( cookieName ) ) == "string" ) { return false; } return true; }
	if( typeof( retrieveCookie( cookieName ) ) == "string" ) { return true; } return false;
}