//AJAX 物件：建立於 2008-2-24 by alazy.

var AF_xmlhttp = false;
if(window.XMLHttpRequest) // Mozilla, Safari,...
{
	AF_xmlhttp = new XMLHttpRequest();
	//AF_xmlhttp.overrideMimeType('text/xml');
}
else
{
	try // 新版的IE
	{
		AF_xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e)
	{
		try // 舊版的IE
		{
			AF_xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(e)
		{
			AF_xmlhttp = false;	
		}
	}
}

function af_send_get(url, getFun) {
	AF_xmlhttp.open('GET', url, true);
	AF_xmlhttp.onreadystatechange = getFun;
	AF_xmlhttp.send(null);
}

function af_send_post(url, data, getFun) {
	var method = 'POST';
	AF_xmlhttp.open(method, url, true);
	AF_xmlhttp.onreadystatechange = getFun;
	AF_xmlhttp.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
	AF_xmlhttp.send(data);
}