I could just create a form and use that to do a POST request to any site, thing is the FORM method isn\'t asynchronous, I need to know when the page has finished loading. I
YUI3's IO object offers cross-domain requests, however it does so using a small Flash control it embeds on the page.
While there is work going into secure cross-domain requests from JavaScript, at this time, you need to use a plugin like Flash or Silverlight as a bridge with which to make the request.