// Hydro Photographics 20/08/2007
loading= new Image(16,16)
loading.src = "images/loading.gif"

function mailinglist(){
//if (document.getElementById('mailinglist').style.visibility == 'visible'){
//document.getElementById('mailinglist').style.visibility = 'hidden'; 
//}else{
//document.getElementById('mailinglist').style.visibility = 'visible'; 
//} 
}

   var http_request = false;
   
   function makePOSTRequest(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('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            result = http_request.responseText;
            document.getElementById('mailinglist').innerHTML = 'Thankyou for joining our newsletter list.';            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
function ShowProcessing(useremail){
document.getElementById('mailinglist').innerHTML = '<BR><table align="right"><tr><td><img src="images/loading.gif"></td><td>Processing...</td></tr></table>'; 
var poststr = "useremail=" + useremail;
makePOSTRequest('newemail.php', poststr);
}