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November 27th, 2006, 11:36 AM
#1
another Firefox problem
I have been looking at other posts about Firefox and AJAX. I haven't found anything that will solve my problem.... not anything I've noticed anyways. My code works perfectly in IE but not Firefox. I am using version 2.0
here is my code
PHP Code:
<script language="javascript" type="text/javascript">
var XMLHttpRequestObject = false;
try{
XMLHttpRequestObject = new ActiveXObject("MSXML2.XMLHTTP");
} catch(exception1) {
try{
XMLHttpRequestObject = new ActiveXObject("Microsoft");
} catch(exception2) {
XMLHttpRequestObject = false;
}
}
if(XMLHttpRequestObject && window.XMLHttpRequest) {
XMLHttpRequestObject = new XMLHttpRequest();
}
function getValue(cat,id) {
clearList(cat,id);
getSub(cat,id);
}
function getSub(cat,id) {
if(XMLHttpRequestObject) {
if(cat == "Electronics") {
XMLHttpRequestObject.open("GET","electronics.xml",true);
}
if(cat == "Medical") {
XMLHttpRequestObject.open("GET","medical.xml",true);
}
if(cat == "Industrial") {
XMLHttpRequestObject.open("GET","industrial.xml",true);
}
if(cat == "Nanotechnology") {
XMLHttpRequestObject.open("GET","nano.xml",true);
}
alert(cat);
var subId = id;
XMLHttpRequestObject.onreadystatechange = function() {
if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
var xmlDocument = XMLHttpRequestObject.responseXML;
var subCategory = xmlDocument.getElementsByTagName("subs");
listSubs(subCategory,subId);
}
}
XMLHttpRequestObject.send(null);
}
}
function listSubs(subCategory,subId) {
var loopIndex;
var subCat;
if(subId == "mainCat1") {
subCat = "subCat1";
}
if(subId == "mainCat2") {
subCat = "subCat2";
}
var selectControl = document.getElementById(subCat);
for(loopIndex=0;loopIndex<subCategory.length;loopIndex++) {
selectControl.options[loopIndex] = new
Option(subCategory[loopIndex].firstChild.data);
}
}
function clearList(cat,id) {
var clearCat;
if(id == "mainCat1") {
clearCat = "subCat1";
}
if(id == "mainCat2") {
clearCat = "subCat2";
}
var len = document.getElementById(clearCat).options.length
for(i = 0; i < len; i++) {
document.getElementById(clearCat).options[0] = null;
}
}
</script>
I hope someone can spot something. Thanks for your help.
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November 27th, 2006, 11:57 AM
#2
Re: another Firefox problem
I got it to work! lol... instead of sitting there and reading each line of code again, I just started going in and changing different things and finally came across the one change that made it work.
here is the change I made:
I first had this
PHP Code:
if(XMLHttpRequestObject && window.XMLHttpRequest) {
XMLHttpRequestObject = new XMLHttpRequest();
}
I took out the XMLHttpRequestObject and ended with this
PHP Code:
if(window.XMLHttpRequest) {
XMLHttpRequestObject = new XMLHttpRequest();
}
and now it seems to work. Thanks anyways
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