days = 1; // -ve for deleting it.

var date = new Date();

date.setTime(date.getTime ()+(days*24*60*60*1000));

var expires = "; expires="+date.toGMTString();
var domain = "; domain=bbb.org";
var path = "; path=/";
document.cookie = 'bbbBureauId=1233' + expires + path + domain;
document.cookie = 'bbbCampaignId=23627' + expires + path + domain;
document.cookie = 'bbbVideoClipId=580' + expires + path + domain;
document.cookie = 'bbbTobId=' + expires + path+ domain;