function getRequestObject() {
  var xmlhttp; 
  /*@cc_on 
    @if (@_jscript_version >= 5) 
	  try {
	    xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); 
      } catch (e) { 
	    try {
		  xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
        } catch (E) {
          xmlhttp = false;
		} 
      } 
	@else 
      xmlhttp = false; 
    @end @*/

    if (!xmlhttp && typeof XMLHttpRequest != 'undefined') { 
	  try { 
        xmlhttp = new XMLHttpRequest(); 
      } catch (e) { 
	    xmlhttp = false; 
	  } 
	} 
	return xmlhttp;
}    // getRequestObject()
function sendSampleRequest() {
	var http = getRequestObject();
	el = document.getElementById("emailSignupResponse");
	el.innerHTML = "Processing...";
	http.open("GET", "http://www.shiftype.com/emailSample.php?email=" + escape(document.sampleRequest.signupEmail.value) + "&name=" + escape(document.sampleRequest.signupName.value), true);
	http.onreadystatechange = function() {
		if (http.readyState == 4) {
		  el = document.getElementById("emailSignupResponse");
		  if (http.responseText == "1") {
			 el.innerHTML = "<span class='blue'>Email sent!</span>";
			 document.sampleRequest.signupEmail.value = '';
			 document.sampleRequest.signupName.value = '';
		  } else if (http.responseText == "2") {
		  	el.innerHTML = "<span class='blue'>Invalid email address.</span>";
		  } else {
			el.innerHTML = "<span class='blue'>Email failed.</span>";
		  }
		  
		}
	}
	http.send(null);
}