function chat_message() {

	var message = "";
	message = document.getElementById('chat-message').value;

	if (message == "" || message == "Type your message here!")
	{
		alert('Please type your question!');
	}
	else {
		var url = 'content.php?'+document.getElementById('chat-message').value;

		if(typeof XMLHttpRequest != "undefined")
		{ /* Code for: IE 7 Firefox, Mozilla etc Safari Opera */ 
		  httpRequest = new XMLHttpRequest(); 
		} 
		else if(typeof window.ActiveXObject != "undefined")
		{ /*  Code for: IE 5 IE 6 */ 
		  httpRequest = new ActiveXObject("Msxml2.XMLHTTP"); 
		}
		httpRequest.open("GET", url, true);
		httpRequest.onreadystatechange= function () {processRequest(); } ;
		httpRequest.send(null);

		document.getElementById('chat-message').value = "Type your message here!";
	}
}

function chat_click() {
	if (document.getElementById('chat-message').value == "Type your message here!")
	{
		document.getElementById('chat-message').value = "";
	}
}

function chat_content()
{
	var url = 'content.php';

	if(typeof XMLHttpRequest != "undefined")
	{ /* Code for: IE 7 Firefox, Mozilla etc Safari Opera */ 
	  httpRequest = new XMLHttpRequest(); 
	} 
	else if(typeof window.ActiveXObject != "undefined")
	{ /*  Code for: IE 5 IE 6 */ 
	  httpRequest = new ActiveXObject("Msxml2.XMLHTTP"); 
	}
	httpRequest.open("GET", url, true);
	httpRequest.onreadystatechange= function () {processRequest(); } ;
	httpRequest.send(null);
}

function processRequest()
{
	if (httpRequest.readyState == 4)
	{
		if(httpRequest.status == 200)
		{
			if (httpRequest.responseText != "-")
			{
				var full = httpRequest.responseText;
				status = full.substr(0,1);
				text = full.substr(1);
				//alert(status);
				//alert(text);
				if (status == "y")
				{
					document.getElementById('icon').src = "img/ico_hellochat.png";
					document.getElementById('chat-main').innerHTML = text;
				}
				else if (status == "n") {
					document.getElementById('icon').src = "img/ico_hellochat_OFF.png";
					document.getElementById('chat-main').innerHTML = text;
				}
			}
		}
	}
}

function chat_refresh() {
	chat_content();
	window.setInterval("chat_content()", 10000);
}