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

function getCookie( name ) {
	
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) &&
		( name != document.cookie.substring( 0, name.length ) ) )

		return null;

	if ( start == -1 ) 
		return null;

	var end = document.cookie.indexOf( ";", len );

	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );

} // function
	
function deleteCookie( name, path, domain ) {

	if ( getCookie( name ) ) document.cookie = name + "=" +
		( ( path ) ? ";path=" + path : "") +
		( ( domain ) ? ";domain=" + domain : "" ) +
	";expires=Thu, 01-Jan-1970 00:00:01 GMT";

} // function