function InitAjax()
{
	var ajax = false;
	try
	{
		ajax = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch(e)
	{
		try
		{
			ajax = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(E)
		{
			ajax = false;
		}
	}
	if(!ajax && typeof XMLHttpRequest!='undefined')
	{
		ajax = new XMLHttpRequest(); 
	}
	return ajax;
}
function getinfo(id,url)
{
	var show = document.getElementById(id);
	var ajax = InitAjax();
	
	ajax.open('get',url,true);
	ajax.onreadystatechange = function()
	{
		if(ajax.readyState == 4 && ajax.status == 200)		  
			show.innerHTML = ajax.responseText;
	}
	ajax.send(null);
}
function postinfo(id,url,str)
{
	var show = document.getElementById(id);
	var ajax = InitAjax();

	ajax.open('post',url,true);
	ajax.setRequestHeader("content-type","application/x-www-form-urlencoded");
	ajax.onreadystatechange = function()
	{
		if(ajax.readyState == 4 && ajax.status == 200)		  
			show.innerHTML = ajax.responseText;
	}
	ajax.send(str);
}
function $(id)
{
	return document.getElementById(id);
}