function AjaxRequest(){var req =new Object();
req.timeout =null;
req.generateUniqueUrl =true;
req.url =window.location.href;
req.method ="GET";
req.async =true;
req.username =null;
req.password =null;
req.parameters =new Object();
req.requestIndex =AjaxRequest.numAjaxRequests++;
req.responseReceived =false;
req.groupName =null;
req.queryString ="";
req.responseText =null;
req.responseXML =null;
req.status =null;
req.statusText =null;
req.aborted =false;
req.xmlHttpRequest =null;
req.onTimeout=null;
req.onLoading=null;
req.onLoaded=null;
req.onInteractive=null;
req.onComplete=null;
req.onSuccess=null;
req.onError=null;
req.onGroupBegin=null;
req.onGroupEnd=null;
req.xmlHttpRequest =AjaxRequest.getXmlHttpRequest();
if(req.xmlHttpRequest==null){return null;}req.xmlHttpRequest.onreadystatechange =
function(){if(req==null || req.xmlHttpRequest==null){return;}if(req.xmlHttpRequest.readyState==1){req.onLoadingInternal(req);}if(req.xmlHttpRequest.readyState==2){req.onLoadedInternal(req);}if(req.xmlHttpRequest.readyState==3){req.onInteractiveInternal(req);}if(req.xmlHttpRequest.readyState==4){req.onCompleteInternal(req);}};
req.onLoadingInternalHandled=false;
req.onLoadedInternalHandled=false;
req.onInteractiveInternalHandled=false;
req.onCompleteInternalHandled=false;
req.onLoadingInternal=
function(){if(req.onLoadingInternalHandled){return;}AjaxRequest.numActiveAjaxRequests++;
if(AjaxRequest.numActiveAjaxRequests==1 && typeof(window['AjaxRequestBegin'])=="function"){AjaxRequestBegin();}if(req.groupName!=null){if(typeof(AjaxRequest.numActiveAjaxGroupRequests[req.groupName])=="undefined"){AjaxRequest.numActiveAjaxGroupRequests[req.groupName] =0;}AjaxRequest.numActiveAjaxGroupRequests[req.groupName]++;
if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==1 && typeof(req.onGroupBegin)=="function"){req.onGroupBegin(req.groupName);}}if(typeof(req.onLoading)=="function"){req.onLoading(req);}req.onLoadingInternalHandled=true;};
req.onLoadedInternal=
function(){if(req.onLoadedInternalHandled){return;}if(typeof(req.onLoaded)=="function"){req.onLoaded(req);}req.onLoadedInternalHandled=true;};
req.onInteractiveInternal=
function(){if(req.onInteractiveInternalHandled){return;}if(typeof(req.onInteractive)=="function"){req.onInteractive(req);}req.onInteractiveInternalHandled=true;};
req.onCompleteInternal=
function(){if(req.onCompleteInternalHandled || req.aborted){return;}req.onCompleteInternalHandled=true;
AjaxRequest.numActiveAjaxRequests--;
if(AjaxRequest.numActiveAjaxRequests==0 && typeof(window['AjaxRequestEnd'])=="function"){AjaxRequestEnd(req.groupName);}if(req.groupName!=null){AjaxRequest.numActiveAjaxGroupRequests[req.groupName]--;
if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==0 && typeof(req.onGroupEnd)=="function"){req.onGroupEnd(req.groupName);}}req.responseReceived =true;
req.status =req.xmlHttpRequest.status;
req.statusText =req.xmlHttpRequest.statusText;
req.responseText =req.xmlHttpRequest.responseText;

req.responseXML =req.xmlHttpRequest.responseXML;
if(typeof(req.onComplete)=="function"){req.onComplete(req);}if(req.xmlHttpRequest.status==200 && typeof(req.onSuccess)=="function"){req.onSuccess(req);}else if(typeof(req.onError)=="function"){req.onError(req);}delete req.xmlHttpRequest['onreadystatechange'];
req.xmlHttpRequest =null;};
req.onTimeoutInternal=
function(){if(req!=null && req.xmlHttpRequest!=null && !req.onCompleteInternalHandled){req.aborted =true;
req.xmlHttpRequest.abort();
AjaxRequest.numActiveAjaxRequests--;
if(AjaxRequest.numActiveAjaxRequests==0 && typeof(window['AjaxRequestEnd'])=="function"){AjaxRequestEnd(req.groupName);}if(req.groupName!=null){AjaxRequest.numActiveAjaxGroupRequests[req.groupName]--;
if(AjaxRequest.numActiveAjaxGroupRequests[req.groupName]==0 && typeof(req.onGroupEnd)=="function"){req.onGroupEnd(req.groupName);}}if(typeof(req.onTimeout)=="function"){req.onTimeout(req);}delete req.xmlHttpRequest['onreadystatechange'];
req.xmlHttpRequest =null;}};
req.process =
function(){if(req.xmlHttpRequest!=null){if(req.generateUniqueUrl && req.method=="GET"){req.parameters["AjaxRequestUniqueId"] =new Date().getTime() + "" + req.requestIndex;}var content =null;
for(var i in req.parameters){if(req.queryString.length>0){req.queryString +="&";}req.queryString +=encodeURIComponent(i) + "=" + encodeURIComponent(req.parameters[i]);}if(req.method=="GET"){if(req.queryString.length>0){req.url +=((req.url.indexOf("?")>-1)?"&":"?") + req.queryString;}}req.xmlHttpRequest.open(req.method,req.url,req.async,req.username,req.password);
if(req.method=="POST"){if(typeof(req.xmlHttpRequest.setRequestHeader)!="undefined"){req.xmlHttpRequest.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');}content =req.queryString;}if(req.timeout>0){setTimeout(req.onTimeoutInternal,req.timeout);}req.xmlHttpRequest.send(content);}};
req.handleArguments =
function(args){for(var i in args){if(typeof(req[i])=="undefined"){req.parameters[i] =args[i];}else{req[i] =args[i];}}};
req.getAllResponseHeaders =
function(){if(req.xmlHttpRequest!=null){if(req.responseReceived){return req.xmlHttpRequest.getAllResponseHeaders();}alert("Cannot getAllResponseHeaders because a response has not yet been received");}};
req.getResponseHeader =
function(headerName){if(req.xmlHttpRequest!=null){if(req.responseReceived){return req.xmlHttpRequest.getResponseHeader(headerName);}alert("Cannot getResponseHeader because a response has not yet been received");}};
return req;}AjaxRequest.getXmlHttpRequest =function(){if(window.XMLHttpRequest){return new XMLHttpRequest();}else if(window.ActiveXObject){/*@cc_on @*/
/*@if(@_jscript_version >=5)
try{return new ActiveXObject("Msxml2.XMLHTTP");}catch(e){try{return new ActiveXObject("Microsoft.XMLHTTP");}catch(E){return null;}}@end @*/}else{return null;}};
AjaxRequest.isActive =function(){return(AjaxRequest.numActiveAjaxRequests>0);};
AjaxRequest.get =function(args){AjaxRequest.doRequest("GET",args);};
AjaxRequest.post =function(args){AjaxRequest.doRequest("POST",args);};
AjaxRequest.doRequest =function(method,args){if(typeof(args)!="undefined" && args!=null){var myRequest =new AjaxRequest();
myRequest.method =method;
myRequest.handleArguments(args);
myRequest.process();}};
AjaxRequest.submit =function(theform, args){var myRequest =new AjaxRequest();
if(myRequest==null){return false;}var serializedForm =AjaxRequest.serializeForm(theform);
myRequest.method =theform.method.toUpperCase();
myRequest.url =theform.action;
myRequest.handleArguments(args);
myRequest.queryString =serializedForm;
myRequest.process();
return true;};
AjaxRequest.serializeForm =function(theform){var els =theform.elements;
var len =els.length;
var queryString ="";
this.addField =
function(name,value){if(queryString.length>0){queryString +="&";}queryString +=encodeURIComponent(name) + "=" + encodeURIComponent(value);};
for(var i=0;i<len;i++){var el =els[i];
if(!el.disabled){switch(el.type){case 'text': case 'password': case 'hidden': case 'textarea':
this.addField(el.name,el.value);
break;
case 'select-one':
if(el.selectedIndex>=0){this.addField(el.name,el.options[el.selectedIndex].value);}break;
case 'select-multiple':
for(var j=0;j<el.options.length;j++){if(el.options[j].selected){this.addField(el.name,el.options[j].value);}}break;
case 'checkbox': case 'radio':
if(el.checked){this.addField(el.name,el.value);}break;}}}return queryString;};
AjaxRequest.numActiveAjaxRequests =0;
AjaxRequest.numActiveAjaxGroupRequests =new Object();
AjaxRequest.numAjaxRequests =0;


/* ajax chat script */
			var sendReq = getXmlHttpRequestObject();
			var receiveReq = getXmlHttpRequestObject();
			var lastMessage = 0;
			var mTimer;
			//Function for initializating the page.
			function startChat() {
				//Set the focus to the Message Box.
				document.getElementById('txt_message').focus();
				//Start Recieving Messages.
				getChatText();
			}		
			//Gets the browser specific XmlHttpRequest Object
			function getXmlHttpRequestObject() {
				if (window.XMLHttpRequest) {
					return new XMLHttpRequest();
				} else if(window.ActiveXObject) {
					return new ActiveXObject("Microsoft.XMLHTTP");
				} else {
					document.getElementById('p_status').innerHTML = 'Status: Cound not create XmlHttpRequest Object.  Consider upgrading your browser.';
				}
			}
			
			//Gets the current messages from the server
			function getChatText() {
				var uparam = document.getElementById('txt_user').value;
				if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
					receiveReq.open("GET", 'modules.php?name=Your_Account&op=chat&username=' + uparam + '&chat=1&last=' + lastMessage, true);
					receiveReq.onreadystatechange = handleReceiveChat; 
					receiveReq.send(null);
				}			
			}
			//Add a message to the chat server.
			function sendChatText() {
				if(document.getElementById('txt_message').value == '') {
					alert("You have not entered a message");
					return;
				}
				if (sendReq.readyState == 4 || sendReq.readyState == 0) {
					var uparam = document.getElementById('txt_user').value;
					sendReq.open("POST", 'modules.php?name=Your_Account&op=chat&username=' + uparam + '&chat=1&last=' + lastMessage, true);
					sendReq.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
					sendReq.onreadystatechange = handleSendChat; 
					var param = 'message=' + document.getElementById('txt_message').value;
					param += '&chat=1';
					sendReq.send(param);
					document.getElementById('txt_message').value = '';
				}							
			}
			//When our message has been sent, update our page.
			function handleSendChat() {
				//Clear out the existing timer so we don't have 
				//multiple timer instances running.
				clearInterval(mTimer);
				getChatText();
			}
			//Function for handling the return of chat text
			function handleReceiveChat() {
				if (receiveReq.readyState == 4) {
					var chat_div = document.getElementById('div_chat');
					var xmldoc = receiveReq.responseXML;
					var message_nodes = xmldoc.getElementsByTagName("message"); 
					var n_messages = message_nodes.length
					for (i = 0; i < n_messages; i++) {
						var user_node = message_nodes[i].getElementsByTagName("user");
						var text_node = message_nodes[i].getElementsByTagName("text");
						
						var time_node = message_nodes[i].getElementsByTagName("time");
						chat_div.innerHTML += '&nbsp;<img src="modules/Your_Account/blog/images/blog_ico.png" border="0">&nbsp;<a href="rft-' + user_node[0].firstChild.nodeValue + '"><b>' + user_node[0].firstChild.nodeValue + '</b></a>&nbsp;';
						chat_div.innerHTML += '<font class="chat_time">' + time_node[0].firstChild.nodeValue + '</font><br />';
						chat_div.innerHTML += '<span class="chatbox">' + text_node[0].firstChild.nodeValue + '<br /></span>';
						chat_div.scrollTop = chat_div.scrollHeight;
						lastMessage = (message_nodes[i].getAttribute('id'));
					}
					mTimer = setTimeout('getChatText();',10000); //Refresh our chat in 2 seconds
				}
			}
			//This functions handles when the user presses enter.  Instead of submitting the form, we
			//send a new message to the server and return false.
			function blockSubmit() {
				sendChatText();
				return false;
			}
			//This cleans out the database so we can start a new chat session.
			function resetChat() {
				if (sendReq.readyState == 4 || sendReq.readyState == 0) {
					sendReq.open("POST", 'modules.php?name=Your_Account&op=chat&username=markws&chat=1&last=' + lastMessage, true);
					sendReq.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
					sendReq.onreadystatechange = handleResetChat; 
					var param = 'action=reset';
					sendReq.send(param);
					document.getElementById('txt_message').value = '';
				}							
			}
			//This function handles the response after the page has been refreshed.
			function handleResetChat() {
				document.getElementById('div_chat').innerHTML = '';
				getChatText();
			}