var xmlHttp

function GetXmlHttpObject() {
    var xmlHttp = null;
    try {
        // Firefox, Opera 8.0+, Safari
        xmlHttp = new XMLHttpRequest();
    }
    catch (e) {
        // Internet Explorer
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e) {
            xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    return xmlHttp;
}

function signup()
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
}
var uName = document.maillist.name.value;
var uCompany = document.maillist.company.value;
var uEm = document.maillist.em.value;
var uEmail = document.maillist.email.value;
var url = "signup.asp";
url = url + "?name=" + uName + "&company=" + uCompany + "&em=" + uEm + "&email=" + uEmail;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}


function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("signupresponse").innerHTML=xmlHttp.responseText;
}
}