<script type="text/javascript" src="js/jquery.js"></script>
<form>
<input type="file" id="mp3">
<input type="submit">
</form>
<div id="gg"> Open! </div>
<script>
$(document).ready( function(){
console.log('Starting');
$("#gg").click( function(){
console.log('clicked');
$('input[@type="file"]').click();
});
$('input[@type="file"]').click( function(){
console.log('catched click');
});
});
</script>