as3 Form post

This is dead easy:

var formRequest:URLRequest = new URLRequest(formLocation);
var variables:URLVariables = new URLVariables();
variables.compname = movMain.movBook.movBottomPanel.input1.text;
variables.compemail = movMain.movBook.movBottomPanel.input2.text;
variables.marketing = !bottomCheck;
variables.CompetitionCode = compcodeNewsletter;
variables.terms = "True";
formRequest.data = variables;
formRequest.method = URLRequestMethod.POST;
sendToURL(formRequest);