function showSubType(what) {
	var filebox = document.getElementById('submitfile');
	var linkbox = document.getElementById('submitlink');
	
	if (what == "file") {
		linkbox.style.display = 'none';
		filebox.style.display = 'block';
	} else {
		filebox.style.display = 'none';
		linkbox.style.display = 'block';
	}
}