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Works great under FF, bad under IE

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Jun 28.2007

Hi, i’ve got some problems with my script. It works perfect under Firefox, but does nothing under Internet explorer. What can I do about it?

I use this in de <head>:

[code=php]</form><p><span id=”txtHint”></span></p>
<script>
function showHint()
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert (“Browser does not support HTTP Request”)
return
}
var url = “check_time.php”
xmlHttp.onreadystatechange=stateChanged
xmlHttp.open(“GET”,url,true)
xmlHttp.send(null)
}
function stateChanged()
{
if (xmlHttp.readyState==4 || xmlHttp.readyState==”complete”)
{
document.getElementById(“txtHint”).innerHTML=xmlHttp.responseText
}
}
function GetXmlHttpObject(handler)
{
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject(“Microsoft.XMLHTTP”)
}
return objXMLHttp
}
setInterval(showHint, 1000);

</script>[/code]

and this in the body:

[code=php]<body Onload=showHint()>[/code]

Please help me.

to post a comment
JavaScript

2 Comments(s) ↴

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@cobblerJun 28.2007 — You need to check for the versions of objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")

An example is at http://javascript.about.com/library/blajax01.htm
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@pistolpauthorJun 29.2007 — Oké, now I tried this, it still works in FF but has no effects in IE. IE gives a runtime error for this line:
[code=php]document.getElementById("txtHint").innerHTML=xmlHttp.responseText[/code]

My new document is:

[code=php]<script>

if (typeof XMLHttpRequest != 'undefined')
return new XMLHttpRequest();
else if (window.ActiveXObject) {
var avers = ["Microsoft.XmlHttp", "MSXML2.XmlHttp",
"MSXML2.XmlHttp.3.0", "MSXML2.XmlHttp.4.0",
"MSXML2.XmlHttp.5.0"];
for (var i = avers.length -1; i >= 0; i--) {
try {
httpObj = new ActiveXObject(avers[i]);
return httpObj;
} catch(e) {}
}
}
throw new Error('XMLHttp (AJAX) not supported');


var ajaxObj = createXMLHttp();

function showHint()
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
}
var url = "check_time.php"
xmlHttp.onreadystatechange=stateChanged
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
function stateChanged()
{
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{
document.getElementById("txtHint").innerHTML=xmlHttp.responseText
}
}

function GetXmlHttpObject(handler)
{
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}
setInterval(showHint, 1000);

</script>[/code]
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