function countemail(id)
{
	document.getElementById('hiddenemail').style.display='';
	document.getElementById('showbutton').style.display='none';
	if (window.clipboardData) {
	window.clipboardData.setData("Text","<?=$job['email']?>");
	alert("邮箱已复制!")
	}
	countlook(id);
}
function InitAjax()
{
    var http_request = false;

    if (window.XMLHttpRequest)
    {
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType)
        {
            http_request.overrideMimeType('text/xml');
        }
    }
    else if (window.ActiveXObject)
    {
        try
        {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e)
        {
            try
            {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (e)
            {}
        }
    }
    if (!http_request)
    {
        alert('Giving up :( Cannot create an XMLHTTP instance');
        return false;
    }
    return http_request;
}
function countlook(id) 
{
	var url='countemail.php';
	url=url+'?id='+id;
	xmlhttp_request=InitAjax();//调用创建XMLHttpRequest的函数
	xmlhttp_request.open('POST', url, true);
	xmlhttp_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	xmlhttp_request.send(url);
	//xmlhttp_request.onreadystatechange = alertEmail;
}