Sound problem when uploading

When I puss the button, it goes to a certain frame, with the following action:
muziek = new sound();
muziek.loadSound(“test.mp3”, true);
muziek.onSoundComplete = function() {
&nbsp &nbsp &nbsp &nbsp gotoAndStop(“2”);

Now when I test this in Flash or in HTML on my harddisk it plays the song. But when I upload this .fla/.swf/.html file, the browser asks if I want to download this mp3 file.
And than he doesn’t play the song anymore.