Miscellany

<script type="text/javascript">
var http = false;

if(navigator.appName == "Microsoft Internet Explorer") 
{
  http = new ActiveXObject("Microsoft.XMLHTTP");
} 

else 
{
  http = new XMLHttpRequest();
}

function update_db(var1, var2, var3) {
  http.abort();
  http.open("GET", "sendmail.php?name=" + var1 + "&&message=" + var2 + "&&email=" + var3, true);
  http.onreadystatechange=function() 
  {
    document.getElementById('foo' + lab).innerHTML = "<img src=update.gif></img>";
    if(http.readyState == 4) 
    {
      document.getElementById('currentStateNotifier').innerHTML = http.responseText;
    }                                
  }
  http.send(null);
}
</script>