var enableCache = true; var jsCache = new Array(); var dynamicContent_ajaxObjects = new Array(); function ajax_showContent(divId,ajaxIndex,url,callbackOnComplete)
{ var targetObj = document.getElementById(divId); targetObj.innerHTML = dynamicContent_ajaxObjects[ajaxIndex].response; if(enableCache){ jsCache[url] = dynamicContent_ajaxObjects[ajaxIndex].response;}
dynamicContent_ajaxObjects[ajaxIndex] = false; ajax_parseJs(targetObj); if(callbackOnComplete) { executeCallback(callbackOnComplete);}
}
function executeCallback(callbackString) { if(callbackString.indexOf('(')==-1) { callbackString = callbackString + '()';}
try{ eval(callbackString);}catch(e){ }
}
function ajax_loadContent(divId,url,callbackOnComplete)
{ if(enableCache && jsCache[url]){ document.getElementById(divId).innerHTML = jsCache[url]; ajax_parseJs(document.getElementById(divId))
evaluateCss(document.getElementById(divId))
if(callbackOnComplete) { executeCallback(callbackOnComplete);}
return;}
var ajaxIndex = dynamicContent_ajaxObjects.length; document.getElementById(divId).innerHTML = 'Tartalom töltése...'; dynamicContent_ajaxObjects[ajaxIndex] = new sack(); if(url.indexOf('?')>=0){ dynamicContent_ajaxObjects[ajaxIndex].method='GET'; var string = url.substring(url.indexOf('?')); url = url.replace(string,''); string = string.replace('?',''); var items = string.split(/&/g); for(var no=0;no<items.length;no++){ var tokens = items[no].split('='); if(tokens.length==2){ dynamicContent_ajaxObjects[ajaxIndex].setVar(tokens[0],tokens[1]);}
}
url = url.replace(string,'');}
dynamicContent_ajaxObjects[ajaxIndex].requestFile = url; dynamicContent_ajaxObjects[ajaxIndex].onCompletion = function(){ ajax_showContent(divId,ajaxIndex,url,callbackOnComplete);}; dynamicContent_ajaxObjects[ajaxIndex].runAJAX();}
function ajax_parseJs(obj)
{ var scriptTags = obj.getElementsByTagName('SCRIPT'); var string = ''; var jsCode = ''; for(var no=0;no<scriptTags.length;no++){ if(scriptTags[no].src){ var head = document.getElementsByTagName("head")[0]; var scriptObj = document.createElement("script"); scriptObj.setAttribute("type", "text/javascript"); scriptObj.setAttribute("src", scriptTags[no].src);}else{ if(navigator.userAgent.toLowerCase().indexOf('opera')>=0){ jsCode = jsCode + scriptTags[no].text + '\n';}
else
jsCode = jsCode + scriptTags[no].innerHTML;}
}
if(jsCode)ajax_installScript(jsCode);}
function ajax_installScript(script)
{ if (!script)
return; if (window.execScript){ window.execScript(script)
}else if(window.jQuery && jQuery.browser.safari){ window.setTimeout(script,0);}else{ window.setTimeout( script, 0 );}
}
function evaluateCss(obj)
{ var cssTags = obj.getElementsByTagName('STYLE'); var head = document.getElementsByTagName('HEAD')[0]; for(var no=0;no<cssTags.length;no++){ head.appendChild(cssTags[no]);}
}
function sack(file) { this.xmlhttp = null; this.resetData = function() { this.method = "POST"; this.queryStringSeparator = "?"; this.argumentSeparator = "&"; this.URLString = ""; this.encodeURIString = true; this.execute = false; this.element = null; this.elementObj = null; this.requestFile = file; this.vars = new Object(); this.responseStatus = new Array(2);}; this.resetFunctions = function() { this.onLoading = function() { }; this.onLoaded = function() { }; this.onInteractive = function() { }; this.onCompletion = function() { }; this.onError = function() { }; this.onFail = function() { };}; this.reset = function() { this.resetFunctions(); this.resetData();}; this.createAJAX = function() { try { this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");} catch (e1) { try { this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");} catch (e2) { this.xmlhttp = null;}
}
if (! this.xmlhttp) { if (typeof XMLHttpRequest != "undefined") { this.xmlhttp = new XMLHttpRequest();} else { this.failed = true;}
}
}; this.setVar = function(name, value){ this.vars[name] = Array(value, false);}; this.encVar = function(name, value, returnvars) { if (true == returnvars) { return Array(encodeURIComponent(name), encodeURIComponent(value));} else { this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);}
}
this.processURLString = function(string, encode) { encoded = encodeURIComponent(this.argumentSeparator); regexp = new RegExp(this.argumentSeparator + "|" + encoded); varArray = string.split(regexp); for (i = 0; i < varArray.length; i++){ urlVars = varArray[i].split("="); if (true == encode){ this.encVar(urlVars[0], urlVars[1]);} else { this.setVar(urlVars[0], urlVars[1]);}
}
}
this.createURLString = function(urlstring) { if (this.encodeURIString && this.URLString.length) { this.processURLString(this.URLString, true);}
if (urlstring) { if (this.URLString.length) { this.URLString += this.argumentSeparator + urlstring;} else { this.URLString = urlstring;}
}
this.setVar("rndval", new Date().getTime()); urlstringtemp = new Array(); for (key in this.vars) { if (false == this.vars[key][1] && true == this.encodeURIString) { encoded = this.encVar(key, this.vars[key][0], true); delete this.vars[key]; this.vars[encoded[0]] = Array(encoded[1], true); key = encoded[0];}
urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];}
if (urlstring){ this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);} else { this.URLString += urlstringtemp.join(this.argumentSeparator);}
}
this.runResponse = function() { eval(this.response);}
this.runAJAX = function(urlstring) { if (this.failed) { this.onFail();} else { this.createURLString(urlstring); if (this.element) { this.elementObj = document.getElementById(this.element);}
if (this.xmlhttp) { var self = this; if (this.method == "GET") { totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString; this.xmlhttp.open(this.method, totalurlstring, true);} else { this.xmlhttp.open(this.method, this.requestFile, true); try { this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
} catch (e) { }
}
this.xmlhttp.onreadystatechange = function() { switch (self.xmlhttp.readyState) { case 1:
self.onLoading(); break; case 2:
self.onLoaded(); break; case 3:
self.onInteractive(); break; case 4:
self.response = self.xmlhttp.responseText; self.responseXML = self.xmlhttp.responseXML; self.responseStatus[0] = self.xmlhttp.status; self.responseStatus[1] = self.xmlhttp.statusText; if (self.execute) { self.runResponse();}
if (self.elementObj) { elemNodeName = self.elementObj.nodeName; elemNodeName.toLowerCase(); if (elemNodeName == "input" || elemNodeName == "select" || elemNodeName == "option" || elemNodeName == "textarea") { self.elementObj.value = self.response;} else { self.elementObj.innerHTML = self.response;}
}
if (self.responseStatus[0] == "200") { self.onCompletion();} else { self.onError();}
self.URLString = ""; delete self.xmlhttp['onreadystatechange']; self.xmlhttp=null; self.responseStatus=null; self.response=null; self.responseXML=null; break;}
}; this.xmlhttp.send(this.URLString);}
}
}; this.reset(); this.createAJAX();}