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BOOK: Professional Ajax 2nd Edition ISBN: 978-0-470-10949-6
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Old April 13th, 2007, 01:13 AM
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Default Problem using innerHTML

I'm trying to adapt the predictive fetch pattern in Chapter 3 to my application and find that IE7 barfs when trying to load fetched HTML code into a TD element using innerHTML. It works fine in Netscape 8. I've searched the web looking for something to tell me that this is a known bug but I can't find anything. Can anyone tell me if this is a known bug in IE7 and if there's a work around for it, if so.

My code looks like this:
HTML page code:
<table id="tblLoadArea" style="display:none" >
    <tr id="tdLoadArea">
</table>

JavaScript code:
        oXHR.open("get", getURLForScreen(iNextScreenToLoad) + "&dataonly=true", true);
        oXHR.onreadystatechange = function () {
            if (oXHR.readyState == 4) {
                if (oXHR.status == 200) {
        window.alert("loading screen" + iNextScreenToLoad); This alert works
                    var tdLoadArea = document.getElementById("tdLoadArea");
        window.alert("Got tdLoadArea");This alert works
                    tdLoadArea.innerHTML = oXHR.responseText;
        window.alert("have set tdLoadArea");IE7 crashes before this alert

                    var tdNewScreen = document.getElementById("tdScreen" + iNextScreenToLoad);
             if (!tdNewScreen) {
            window.alert("no screen found for id: tdScreen" + iNextScreenToLoad);
              }
                    tdNewScreen.style.display = "none";

        objTR = document.getElementById("screenRow");
        objTR.appendChild(tdNewScreen);

                    tdLoadArea.innerHTML = "";
                    iNextScreenToLoad++;
                    setTimeout(loadNextScreen, iWaitBeforeLoad);
                }
            }
        };
        oXHR.send(null);



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