function submitComment(obj) {
	var isValid = true;
	if (obj.name.value == "") {
		isValid = false;
		obj.name.className = "big warning";
		//obj.getElementsByClassName("iOther")[0].className = "iOther label labelNeeded warning";
	} else {
		obj.name.className = "big";
		//obj.getElementsByClassName("iOther")[0].className = "iOther label labelNeeded";
	}
	if (!validEmail(obj.email.value)) {
		isValid = false;	
		obj.email.className = "big warning";
		//obj.getElementsByClassName("iEmail")[0].className = "iEmail label labelNeeded warning";
	} else {
		obj.email.className = "big";
		//obj.getElementsByClassName("iEmail")[0].className = "iEmail label labelNeeded";
	}
	if (obj.kommentar.value == "") {
		isValid = false;	
		obj.kommentar.className = "warning";
		//obj.getElementsByClassName("iKommentar")[0].className = "iKommentar label labelNeeded warning";
	} else {
		obj.kommentar.className = "";
		//obj.getElementsByClassName("iKommentar")[0].className = "iKommentar label labelNeeded";
	}
	if (obj.captcha.value == "") {
		obj.captcha.className = "big warning";
		//obj.getElementsByClassName("iCaptcha")[0].className = "iCaptcha label labelNeeded warning";
	} else {
		obj.captcha.className = "big";
		//obj.getElementsByClassName("iCaptcha")[0].className = "iCaptcha label labelNeeded";
	}
	if (isValid) {
		new Ajax.Request('comment.php',
		{
			parameters: $(obj).serialize(true), 
			onSuccess: function(transport){
			  var response = transport.responseText;
			  if (response == "captcha") {
				  obj.captcha.className = "big warning";
				  //obj.getElementsByClassName("iCaptcha")[0].className = "iCaptcha label labelNeeded warning";
			  } else {
				  obj.captcha.className = "big";
				  //obj.getElementsByClassName("iCaptcha")[0].className = "iCaptcha label labelNeeded";
				  obj.name.value = "";
				  obj.email.value = "";
				  obj.kommentar.value = "";
				  obj.captcha.value = "";
				  openBox();
			  }
			}
		  });

	}
	return false;	
}

function validEmail(email) {
  var strReg = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
  return(strReg.test(email));

}
	
function openComment(id) {
	if ($('comment-' + id).style.display == "none") {
		Effect.BlindDown('comment-' + id, {duration: 0.3});
	} else {
		Effect.BlindUp('comment-' + id, {duration: 0.3});
	}
}

function openBox() {
	//document.body.insert($("facebookGroup").innerHTML);
	$("forOverlay").innerHTML += $("commentOK").innerHTML;
}
function closeBox() {
	$("forOverlay").innerHTML = "";
}