// JavaScript Document
   var http_request = false;
   function makeRequest(url, parameters) {
	  http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = alertContents;
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
			
			if (result ==  "survey") {
				document.getElementById('emailform').style.display = "none";
				document.getElementById('myspan').innerHTML = '<font size="+1" color="#0000CC">Thank you for sending the information.</font><br>After your email address is added to my filter you may use this email address for other communications:<br><a href="mailto:bill@austweddings.com"><img src="emailtmp.png" width="210" height="29" alt="Contact us" /></a>' ;
			} else if (result == "join") {
				document.getElementById('thanksMsg').style.display = "block";
				document.getElementById('response').style.display = "none";
			} else {
			
				document.getElementById('thanksMsg').style.display = "block";
				document.getElementById('response').style.display = "none";
			}
			
         } else {
            alert('There was a problem with the request.');
         }
      }
   }

   
   function get(obj,sw) {
      var getstr = "?";
      for (i=0; i<obj.childNodes.length; i++) {
         if (obj.childNodes[i].tagName == "INPUT") {
            if (obj.childNodes[i].type == "text") {
               getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
            }
            if (obj.childNodes[i].type == "hidden") {
               getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
            }
            if (obj.childNodes[i].type == "checkbox") {
               if (obj.childNodes[i].checked) {
                  getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               } else {
                  getstr += obj.childNodes[i].name + "=&";
               }
            }
            if (obj.childNodes[i].type == "radio") {
               if (obj.childNodes[i].checked) {
                  getstr += obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               }
            }
         }   
         if (obj.childNodes[i].tagName == "SELECT") {
            var sel = obj.childNodes[i];
            getstr += sel.name + "=" + sel.options[sel.selectedIndex].value + "&";
         }
         
      }
      if (sw == "s") {
		  makeRequest('survey.php', getstr);
	  } else if (sw == "j") {
		  makeRequest('join.php', getstr);
	  } else {
		  makeRequest('fail.php', getstr);
	  }
   }