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Thread: Iframe SSI script II loading indicator?

  1. #1
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    Exclamation Iframe SSI script II loading indicator?

    1) Script Title: Iframe SSI script II

    2) Script URL (on DD): http://www.dynamicdrive.com/dynamici...iframessi2.htm

    3) Describe problem: Is there any way to show a loading indicator while the content within the iframe is being loaded? If for some reason the connection is taking long or the content is taking a long time to load, a loading indicator will show letting the user know that something is happening? Is this possible for pages from the same domain?

    I'm trying to change a html site around using AJAX iframes instead of the regular frame so its automatically resized according to the page..

    http://www.desihotcuts.com/2/index-4.html this is a sample page that uses this script..

    thanks in advance

  2. #2
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    Default

    bump... i need the same help

  3. #3
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    I got help and this is how it works:

    put this in the head section
    HTML Code:
    <script type="text/javascript">
    
    /***********************************************
    * IFrame SSI script II-  Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
    * Visit DynamicDrive.com for hundreds of original DHTML scripts
    * This notice must stay intact for legal use
    ***********************************************/
    
    //Input the IDs of the IFRAMES you wish to dynamically resize to match its content height:
    //Separate each ID with a comma. Examples: ["myframe1", "myframe2"] or ["myframe"] or [] for none:
    var iframeids=["myframe"]
    
    //Should script hide iframe from browsers that don't support this script (non IE5+/NS6+ browsers. Recommended):
    var iframehide="yes"
    
    var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
    var FFextraHeight=parseFloat(getFFVersion)>=0.1? 20 : 0 //extra height in px to add to iframe in FireFox 1.0+ browsers
    
    function resizeCaller() {
        var dyniframe=new Array()
        for (i=0; i<iframeids.length; i++){
            if (document.getElementById){
                resizeIframe(iframeids[i])
            }
            //reveal iframe for lower end browsers? (see var above):
            if ((document.all || document.getElementById) && iframehide=="no"){
                var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i])
                tempobj.style.display="block"
            }
        }
        document.getElementById('loading').innerHTML = '';
    }  
    
    
    function resizeIframe(frameid){
    var currentfr=document.getElementById(frameid)
    if (currentfr && !window.opera){
    currentfr.style.display="block"
    if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) //ns6 syntax
    currentfr.height = currentfr.contentDocument.body.offsetHeight+FFextraHeight; 
    else if (currentfr.Document && currentfr.Document.body.scrollHeight) //ie5+ syntax
    currentfr.height = currentfr.Document.body.scrollHeight;
    if (currentfr.addEventListener)
    currentfr.addEventListener("load", readjustIframe, false)
    else if (currentfr.attachEvent){
    currentfr.detachEvent("onload", readjustIframe) // Bug fix line
    currentfr.attachEvent("onload", readjustIframe)
    }
    }
    }
    
    function readjustIframe(loadevt) {
    var crossevt=(window.event)? event : loadevt
    var iframeroot=(crossevt.currentTarget)? crossevt.currentTarget : crossevt.srcElement
    if (iframeroot)
    resizeIframe(iframeroot.id);
    }
    
    function loadintoIframe(iframeid, url){
        if (document.getElementById){
            document.getElementById(iframeid).src=url;
          }
    }  
    
    
    if (window.addEventListener)
    window.addEventListener("load", resizeCaller, false)
    else if (window.attachEvent)
    window.attachEvent("onload", resizeCaller)
    else
    window.onload=resizeCaller
    
    </script>
    and then you need to have a loading.gif image that you want to display

    put this code where you want the iframe:
    HTML Code:
    <div id='loading'><div align="center">Loading...<img src="loading.gif"></div></div>
    <iframe id="myframe" src="http://www.yourpagehere.com" scrolling="auto" marginwidth="0" marginheight="0" frameborder="0" vspace="0" hspace="0" style="overflow:visible; width:100%; display:none"></iframe>
    the center is not needed but makes it look a little better when its being displayed

    try it out.... it should work... : )

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