Beste mede-tweakers,
Ik heb een probleem waar ik maar niet uit kom en bij deze wil ik het bij jullie voorleggen. Ik heb mijn website met AJAX in elkaar gezet, maar op een of andere manier opent hij niet in IE explorer. FF en Safari werken prima, maar IE geeft meteen een foutmelding. Hopelijk ziet een van jullie in wat ik fout doe, ik hoor het maar al te graag. De scripts heb ik hieronder even gezet.
Bij voorbaat dank!
Thijs
Script Ajax.js
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;
}
}
// prevents caching of 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 = "";
/* These lines were added by Alf Magne Kalleland ref. info on the sack home page. It prevents memory leakage in IE */
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();
}
Script AJAX dynamic:
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 = 'Laden van pagina - een ogenblik';
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; // Specifying which file to get
dynamicContent_ajaxObjects[ajaxIndex].onCompletion = function(){ ajax_showContent(divId,ajaxIndex,url,callbackOnComplete); }; // Specify function that will be executed after file has been found
dynamicContent_ajaxObjects[ajaxIndex].runAJAX(); // Execute AJAX function
}
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){ // safari detection in jQuery
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]);
}
}
Ik heb een probleem waar ik maar niet uit kom en bij deze wil ik het bij jullie voorleggen. Ik heb mijn website met AJAX in elkaar gezet, maar op een of andere manier opent hij niet in IE explorer. FF en Safari werken prima, maar IE geeft meteen een foutmelding. Hopelijk ziet een van jullie in wat ik fout doe, ik hoor het maar al te graag. De scripts heb ik hieronder even gezet.
Bij voorbaat dank!
Thijs
Script Ajax.js
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;
}
}
// prevents caching of 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 = "";
/* These lines were added by Alf Magne Kalleland ref. info on the sack home page. It prevents memory leakage in IE */
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();
}
Script AJAX dynamic:
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 = 'Laden van pagina - een ogenblik';
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; // Specifying which file to get
dynamicContent_ajaxObjects[ajaxIndex].onCompletion = function(){ ajax_showContent(divId,ajaxIndex,url,callbackOnComplete); }; // Specify function that will be executed after file has been found
dynamicContent_ajaxObjects[ajaxIndex].runAJAX(); // Execute AJAX function
}
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){ // safari detection in jQuery
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]);
}
}