var url:String = "flash/store_results2.php";
var request:URLRequest = new URLRequest(url);
var variables:URLVariables = new URLVariables();
variables.var1 = flashVar1;
variables.var2 = flashVar2;
request.data = variables;
try 
{
    sendToURL(request);
}
catch (e:Error) 
{
    // error handling
}

www.markaltman.ca

This will send variables to a page for processing. Sends as Get variables, the receiving page won't open. This method doesn't return a response, use URLLoader.load() if you need a response.

send variables to page without opening it.

ActionScript 3