function setCookie( name, value, expires, path, domain, secure ) 
{
	// set time,in milliseconds
	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 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 ) );
}

/*
WARNING: Do not assume the Cookie has actually been deleted during that 
session, both Opera and IE have in some of their browser versions maintained the 
cookie until you restart your browser even if you have deleted it in the script. 
If script functionality depends on the delete action having happened, make 
sure you do another Get_Cookie test on the deleted cookie to make sure it's 
actually deleted.
*/
function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + "=" +
	( ( path ) ? ";path=" + path : "") +
	( ( domain ) ? ";domain=" + domain : "" ) +
	";expires=Thu, 01-Jan-1980 00:00:01 GMT";
}