function show_chat_online(){
	var myAjax = new Ajax.PeriodicalUpdater("ajax_chat_online", "issue/chat/chat_online.php", {method: "post", frequency: 10, decay: 1});
}


// JavaScript Document
var XMLHttpRequestObject = false;
if (window.XMLHttpRequest) { 
	XMLHttpRequestObject = new XMLHttpRequest();
} else if (window.ActiveXObject) { 
	XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
}

function getData(url) {
	if(XMLHttpRequestObject) { 
		//var obj = document.getElementById(divID); 
		var chat_msg = document.getElementById('chat_msg').value;
		XMLHttpRequestObject.open("GET", url+"?chat_msg="+encodeURIComponent(chat_msg));
	}
		XMLHttpRequestObject.onreadystatechange = function() {
			if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
				//document.getElementById('ajax_chat_display').innerHTML = XMLHttpRequestObject.responseText;
			}
		} 
	XMLHttpRequestObject.send(null);
	document.getElementById('chat_msg').value='';
	//document.getElementById('ajax_chat_display').innerHTML = XMLHttpRequestObject.responseText;
	document.getElementById('ajax_chat_display').scrollTop = 50000;
} 


function showEmo(id){
	var emo =  document.getElementById('emoBox');
	if (id == 1){
		emo.style.display = '';
	}
	if (id == 2){
		emo.style.display = 'none';
	}
}

function add_emo(x) {
	document.chat_form.chat_msg.value = document.chat_form.chat_msg.value+" "+ x;
	document.chat_form.chat_msg.focus();
}