function submitComment(id, comment, mediaType) {
	doAJAX("../comment/", "id=" + id + "&comment=" + comment + "&mediaType=" + mediaType, submitCommentCallback, "POST");
}

function submitCommentCallback() {
	if (http_request.readyState == 4) {
  		if (http_request.status == 200) {
  			document.getElementById("comments").innerHTML = http_request.responseText;
  			document.getElementById("comment_text").value = "";
  			location.href = "#topcomments";
  		}
  	}
}

function checkEnter(e) {
	chr = e.keyCode;
	if (chr == 13) {
		return true;
	} else {
		return false;
	}
}

function clearUsername() {
	if (document.getElementById("usernameField").value == "Username or Email") {
		document.getElementById("usernameField").value = "";
	}
}
function switchPassword() {
	document.getElementById("fakePass").style.display = "none";
	document.getElementById("realPass").style.display = "inline";
	document.getElementById("passwordField").focus();
}
function clearSearch() {
	if (document.getElementById("searchbox").value == "SEARCH") {
		document.getElementById("searchbox").value = "";
	}
}