たとえば http://hogehoge.com/index.html?page=1 js側では・・・ var flashvars = {}; var params = {}; var attributes = {}; params.page = swfobject.getQueryParamValue("page"); swfobject.embedSWF("main.swf", "flashArea", "100%", "100%", "9.0.0",flashvars, params, attributes); as側では・・・ var tmpParam_obj:Object = loaderInfo.parameters; var page:int = int(tmpParam_obj["page"]); で受け渡せますよー