function ajaxFunction(){
    var ajaxRequest;
    try{
        ajaxRequest = new XMLHttpRequest();
    } catch (e){
        try{
            ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try{
                ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e){
                // Something went wrong
                alert("Your browser broke!");
                return false;
            }
        }
    }

    var counter = 0;
    ajaxRequest.onreadystatechange = function(){
        if(ajaxRequest.readyState == 3){
            document.getElementById("test_output").innerHTML = ajaxRequest.responseText;
        }
        else if(ajaxRequest.readyState == 4){
            document.getElementById("test_output").innerHTML = ajaxRequest.responseText;
        }
    }
    var server = encodeURIComponent(document.getElementById("server").value);
    ajaxRequest.open("GET", "/wp-content/custom/ssl-test.php?server="+server, true);
    ajaxRequest.send(null);
}