var installer = new dojox.flash.Install();
dojox.flash.installer = installer;
if(installer.needed() == true){
installer.install();
}else{// write the flash object into the page
dojox.flash.obj = new dojox.flash.Embed(this._visible);
dojox.flash.obj.write();
// setup the communicator
dojox.flash.comm = new dojox.flash.Communicator();
}