javascript getter for a flash object on page, for calls to external interface

gistfile1.js

function getFlashMovie(movieName) {
    var isIE = navigator.appName.indexOf('Microsoft') !== -1;
    return (isIE) ? window[movieName] : document[movieName];
}

// with a swfobject embedding like:
    var flashvars = {};  
    var params = {};
    var attributes = {};
    attributes.id = "myFlash"; // required for flash to javascript communication
    swfobject.embedSWF("path/to/flash.swf", "flashWrapper", "550", "400", 
        "10.0.0", false, flashvars, params, attributes);
    
// use like:
getFlashMovie('myFlash').someFunctionAddedInFlash();