Hej
Jag har hämtat en javascriptkod som slutar fungera om jag använder doctype deklarationen högst upp i html-dokumentet. När jag tar bort den och endast använder <html> taggen utan doctype deklarationen fungerar javascriptkoden utmärkt. Vad är felet?
html koden där javascriptet anropas:
<form action="" method="post" id="test" name="test" enctype="multipart/form-data">
<input onclick="ajaxUpload(this.form,'upload.php', 'Filen laddas upp, vänta...'); return false;" type="submit" value="Ladda upp" />
</form>
function $m(theVar){
return document.getElementById(theVar)
}
function remove(theVar){
var theParent = theVar.parentNode;
theParent.removeChild(theVar);
}
function addEvent(obj, evType, fn){
if(obj.addEventListener)
obj.addEventListener(evType, fn, true)
if(obj.attachEvent)
obj.attachEvent("on"+evType, fn)
}
function removeEvent(obj, type, fn){
if(obj.detachEvent){
obj.detachEvent('on'+type, fn);
}else{
obj.removeEventListener(type, fn, false);
}
}
function isWebKit(){
return RegExp(" AppleWebKit/").test(navigator.userAgent);
}
function ajaxUpload(form,url_action,msg){
var id_element='upload';
var html_show_loading= msg+'<img src=\'fileupload/img/img_load.gif\' border=\'0\' />';
var html_error_http='Error in upload, check settings and path info in source code.';
var detectWebKit = isWebKit();
form = typeof(form)=="string"?$m(form):form;
var erro="";
if(form==null || typeof(form)=="undefined"){
erro += "The form of 1st parameter does not exists.\n";
}else if(form.nodeName.toLowerCase()!="form"){
erro += "The form of 1st parameter its not a form.\n";
}
if($m(id_element)==null){
erro += "The element of 3rd parameter does not exists.\n";
}
if(erro.length>0){
alert("Error in call ajaxUpload:\n" + erro);
return;
}
var iframe = document.createElement("iframe");
iframe.setAttribute("id","ajax-temp");
iframe.setAttribute("name","ajax-temp");
iframe.setAttribute("width","0");
iframe.setAttribute("height","0");
iframe.setAttribute("border","0");
iframe.setAttribute("style","width: 0; height: 0; border: none;");
form.parentNode.appendChild(iframe);
window.frames['ajax-temp'].name="ajax-temp";
var doUpload = function(){
removeEvent($m('ajax-temp'),"load", doUpload);
var cross = "javascript: ";
cross += "window.parent.$m('"+id_element+"').innerHTML = document.body.innerHTML; void(0);";
$m(id_element).innerHTML = html_error_http;
$m('ajax-temp').src = cross;
if(detectWebKit){
remove($m('ajax-temp'));
}else{
setTimeout(function(){ remove($m('ajax-temp'))}, 250);
}
}
addEvent($m('ajax-temp'),"load", doUpload);
form.setAttribute("target","ajax-temp");
form.setAttribute("action",url_action);
form.setAttribute("method","post");
form.setAttribute("enctype","multipart/form-data");
form.setAttribute("encoding","multipart/form-data");
if(html_show_loading.length > 0){
$m(id_element).innerHTML = html_show_loading;
}
form.submit();
}
När doctypen finns med anropas felmeddelandet "Error in upload, check settings and path info in source code", alltså variabeln html_error_http.
Tacksam för er hjälp!