///////////////////[ ajax ]////////////////////////////

function ppk_ajax(url,callback,postData,extra_pass_var)
{var req=createXMLHTTPObject()
if(!req)return
var method=(postData)?"POST":"GET"
req.open(method,url,true)
req.setRequestHeader('User-Agent','XMLHTTP/1.0')
if(postData)
{req.setRequestHeader("Content-type","application/x-www-form-urlencoded")}
req.onreadystatechange=function()
{if(req.readyState!=4)return
if(req.status!=200&&req.status!=304)
{return}
callback(req,extra_pass_var)}
if(req.readyState==4)return
req.send(postData)}
function XMLHttpFactories()
{return[function(){return new XMLHttpRequest()},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Msxml3.XMLHTTP")},function(){return new ActiveXObject("Microsoft.XMLHTTP")}];}
function createXMLHTTPObject(){var xmlhttp=false;var factories=XMLHttpFactories();for(var i=0;i<factories.length;i++){try{xmlhttp=factories[i]();}
catch(e){continue;}
break;}
return xmlhttp;}
function t1()
{try{xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");}
catch(e)
{try{xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}
catch(E){xmlhttp=false;}}
if(!xmlhttp&&typeof XMLHttpRequest!='undefined')
{xmlhttp=new XMLHttpRequest();}
return xmlhttp;}
function ajax_safe(url,callback)
{if(IE)
{url+='&noCacheIE='+(new Date()).getTime();}
var newscript=document.createElement("script");newscript.setAttribute("type","text/javascript");newscript.setAttribute("src",url);newscript.setAttribute("id","my_new_text_object");$("head").appendChild(newscript);}
function ajax(url,callback,synchronous)
{var xaja=new Array();var xmlhttp=t1();if(synchronous)
{xmlhttp.open("GET",url,false);}
else{xmlhttp.open("GET",url,true);}
xmlhttp.onreadystatechange=function()
{xaja["state"]="running";try{if(xmlhttp.readyState==4)
{if(xmlhttp.status==200)
{xaja["headers"]=xmlhttp.getAllResponseHeaders();xaja["response"]=xmlhttp.responseText;if(callback)callback(xmlhttp.responseText);}
else{alert('There was a problem with the AJAX-request.');}}}
catch(e){alert('Caught Exception: '+e.description+'\nSee Mozilla bug 238559.');}}
xmlhttp.send(null);if(synchronous)
{return xmlhttp.responseText;}
else{return xaja;}}
function ttttttttttttris_xml_obj(){showerror("ttris_xml_obj");}
function alertContents(){showerror("alertContents");}
function standard_xml_startup(){showerror("standard_xml_startup");}
function makeRequest(){showerror("makeRequest");}
function showerror(fn)
{alert("the function '"+fn+"' (in ajax.js) is now depreciated. Please notify Tristan, and mention this error-message");}
///////////////////[ /ajax ]////////////////////////////