// Server object that will contain the callable methods
    var server = {};

    // Insert 'Add' as the name of a callable method
    InstallFunction(server, 'Email');
    
    // As mentioned at http://en.wikipedia.org/wiki/XMLHttpRequest
    if( !window.XMLHttpRequest ) XMLHttpRequest = function()
    {
      try{ return new ActiveXObject("Msxml2.XMLHTTP.6.0") }catch(e){}
      try{ return new ActiveXObject("Msxml2.XMLHTTP.3.0") }catch(e){}
      try{ return new ActiveXObject("Msxml2.XMLHTTP") }catch(e){}
      try{ return new ActiveXObject("Microsoft.XMLHTTP") }catch(e){}
      throw new Error("Could not find an XMLHttpRequest alternative.")
    };

    //
    // Makes an AJAX request to a local server function w/ optional arguments
    //
    // functionName: the name of the server's AJAX function to call
    // opt_argv: an Array of arguments for the AJAX function
    //
    function Request(function_name, opt_argv) {

      if (!opt_argv)
        opt_argv = new Array();
     
      // Find if the last arg is a callback function; save it
      var callback = null;
      var len = opt_argv.length;
      if (len > 0 && typeof opt_argv[len-1] == 'function') {
        callback = opt_argv[len-1];
        opt_argv.length--;
      }
      var async = (callback != null);
     
      // Encode the arguments in to a URI
      var query = 'action=' + encodeURIComponent(function_name);
      for (var i = 0; i < opt_argv.length; i++) {
        var key = 'arg' + i;
        var val = JSON.stringify(opt_argv[i]);
        query += '&' + key + '=' + encodeURIComponent(val);
      }
      query += '&time=' + new Date().getTime(); // IE cache workaround

      // Create an XMLHttpRequest 'GET' request w/ an optional callback handler 
      var req = new XMLHttpRequest();
      req.open('GET', '/rpc?' + query, async);
     
      if (async) {
        req.onreadystatechange = function() {
          if(req.readyState == 4 && req.status == 200) {
            var response = null;
            try {
             response = JSON.parse(req.responseText);
            } catch (e) {
             response = req.responseText;
            }
            callback(response);
          }
        }
      }
     
      // Make the actual request
      req.send(null);
    }

    // Adds a stub function that will pass the arguments to the AJAX call 
    function InstallFunction(obj, functionName) {
      obj[functionName] = function() { Request(functionName, arguments); }
    }

    // Handy "macro"
    function $(id){
      return document.getElementById(id);
    }

    function doEmail() {
      document.getElementById('before_send').style.display="none";
      server.Email(document.getElementById('subject').value, document.getElementById('email').value, document.getElementById('phone').value, document.getElementById('body').value, onEmailSuccess);
    }

    function onEmailSuccess(response) {
      document.getElementById('subject').value = "";
      document.getElementById('body').value = "";
      document.getElementById('email').value = "";
      document.getElementById('phone').value = "";
      document.getElementById('after_send').style.display="block";
    }