function submitComment() {
	if(document.Comment.subject.value==""){
		alert("Please enter a subject.");
		return;
	}
	if(document.Comment.comment.value==""){
		alert("Please enter a comment.");
		return;
	}
	if(document.Comment.name.value==""){
		alert("Please enter a name.");
		return;
	}
	document.Comment.submit();
}