function ajaxFunction()
 {
	var ajaxRequest;

	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
		} 
	catch (e){
		// Internet Explorer Browsers
			try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
			   } 
			catch (e) {
					try {
					ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
						} 
						 catch (e){
							alert("Your browser broke!");
							return false;
					   			  }
					  }
			  }
	return ajaxRequest;
}


function showDatagiaoluu() 
{
	htmlRequest = ajaxFunction();
	if (htmlRequest==null)
	{ // If it cannot create a new Xmlhttp object.
		alert ("Browser does not support HTTP Request");
		return;
	} 

	htmlRequest.onreadystatechange = function()
	{
		if(htmlRequest.readyState == 4)
		{
			document.getElementById("shoutarea").innerHTML = htmlRequest.responseText;
		}
	}
	htmlRequest.open("GET", "./pages/shout/outputinfo.php", true);
	htmlRequest.send(null);
}

function saveDatagiaoluu()
{
	htmlRequest = ajaxFunction();
	if (htmlRequest==null)
	{ // If it cannot create a new Xmlhttp object.
		alert ("Browser does not support HTTP Request");
		return;
	} 
	if(document.shoutbox.shouter.value == "" || document.shoutbox.shouter.value == "NULL" || document.shoutbox.shouter_comment.value == "" || document.shoutbox.shouter_comment.value == "NULL")
	{
		alert("You need to fill in name and message!");
		return;
	}
	htmlRequest.open("POST", "./pages/shout/sendshout.php");
	htmlRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	htmlRequest.send("name="+document.shoutbox.shouter.value+"&message="+document.shoutbox.shouter_comment.value); 

	document.shoutbox.shouter_comment.value = ''; // Updates the shout box’s text area to NULL.
	document.shoutbox.shouter_comment.focus(); // Focuses the text area.
}