function add_msg(chat_key) {
	if (document.getElementById("ChatText").value != "") {
		var msgContainer = document.createElement("p");
		msgContainer.setAttribute("class", "new");
		var nameContainer = document.createElement("strong");

		var msgNode = document.createTextNode(document.getElementById("ChatText").value);
		msgContainer.appendChild(nameContainer);
		msgContainer.appendChild(msgNode);
		document.getElementById(chat_key).appendChild(msgContainer, document.getElementById(chat_key).lastChild);
		document.getElementById(chat_key).scrollTop = document.getElementById(chat_key).scrollHeight;
	}
}
function down(){
	document.getElementById(chat_key).scrollTop = document.getElementById(chat_key).scrollHeight;
}