/***********************/
/*** START AJAX CORE ***/
/***********************/

function clientSideInclude(id, url) {
  var req = false;
  // For Safari, Firefox, and other non-MS browsers
  if (window.XMLHttpRequest) {
    try {
      req = new XMLHttpRequest();
    } catch (e) {
      req = false;
    }
  } else if (window.ActiveXObject) {
    // For Internet Explorer on Windows
    try {
      req = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        req = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {
        req = false;
      }
    }
  }
 var element = document.getElementById(id);
 if (!element) {
  alert("Bad id " + id + 
   "passed to clientSideInclude." +
   "You need a div or span element " +
   "with this id in your page.");
  return;
 }
  if (req) {
    // Synchronous request, wait till we have it all
    req.open('GET', url, false);
    req.send(null);
    element.innerHTML = req.responseText;
  } else {
    element.innerHTML =
   "Sorry, your browser does not support " +
      "XMLHTTPRequest objects. This page requires " +
      "Internet Explorer 5 or better for Windows, " +
      "or Firefox for any system, or Safari. Other " +
      "compatible browsers may also exist.";
  }
}

/*********************/
/*** END AJAX CORE ***/
/*********************/



/******************************************/
/*** START DETECT URL STRING PARAMETERS ***/
/******************************************/

<!-- Begin
function getParams(str) {
	if( typeof(str)=="undefined" )
		str=document.URL;
	var idx = str.indexOf('?');
 
	var params = new Array();
	if (idx != -1) {
		var pairs = str.substring(idx+1, str.length).split('&');
		for (var i=0; i<pairs.length; i++) {
			nameVal = pairs[i].split('=');
			params[nameVal[0]] = nameVal[1];
	   }
	}
return params;

}
params = getParams(); 
//  End -->

/****************************************/
/*** END DETECT URL STRING PARAMETERS ***/
/****************************************/



/*************************/
/*** START USER LOOKUP ***/
/*************************/
var userid;
var username;
var password;
var firstname;

function finduser() {
$.post("userlookup.php", { id: lookupid }, 
function (data) {
myuserinfo = getParams(data);
userid = unescape(myuserinfo["userid"]);
username = unescape(myuserinfo["username"]);
password = unescape(myuserinfo["password"]);
firstname = unescape(myuserinfo["firstname"]);
if (username==undefined) {
window.setTimeout(1000); 
finduser();
}
});
}
/***********************/
/*** END USER LOOKUP ***/
/***********************/