function GetXMLHttp()
{
    var xmlhttp=false;
    
    try 
    {
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } 
    catch (e) 
    {
        try 
        {
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
        catch (E)
        {
            xmlhttp = false;
        }
    }

    // Mozilla then?
    if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
       xmlhttp = new XMLHttpRequest();
    }
    
    return xmlhttp;
}

function _post()
{
    var xmlhttp = GetXMLHttp();
	var page = document.getElementById("page");
    var url = document.getElementById("siteurl");
	var name = document.getElementById("sitename");
	var email = document.getElementById("email");
	var qq = document.getElementById("qq");
	var status = document.getElementById("status");
	status.style.border='0px';
	status.innerHTML = "<img src='images/spinner.gif'> 正在验证中,请稍候";
    xmlhttp.open("POST", "add.php?page="+page.value+"&url="+url.value+"&name="+name.value+"&email="+email.value+"&qq="+qq.value,"true");
	xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded;charset=UTF-8');
    xmlhttp.onreadystatechange=function() 
    {
        if (xmlhttp.readyState==4)
        {
		   str = xmlhttp.responseText;
		   status.style.border='1px solid #FF0000';
		   status.style.bgcolor='#FF0000';
		   status.innerHTML = str;	   
        }
    }
    xmlhttp.send(null)
}