Re[2]: [Dynapi-Help] Newbie help with broken IMGs

[Robert R. <rra...@ya...>]

Try setting the img src to 'javascript:null' in IE 5.


\\Robert
-- 
rra...@ya...

> Please suspend the hunt <g>!  The Netscape problem I saw turned out to be a
> red herring, and the problem I'm seeing in IE looks exactly like a known IE
> bug :http://support.microsoft.com/support/kb/articles/Q269/8/02.ASP (BUG:
> Internet Explorer Stops Responding When You Download Images) in which IE has
> trouble when IMG tags are added to a page dynamically after it loads.  I'll
> pursue the remedies suggested for that problem - in the meantime, I'm going
> to assume that that's the trouble.
> 
> Thanks for all the help I got - it's great to know it's out there when it's
> needed!
> 
>         - Ed
> 
> Ed McNierney
> Executive Vice President and Chief Mapmaker
> TopoZone.com  / Maps a la carte, Inc.
> 73 Princeton Street, Suite 305
> North Chelmsford, MA  01863
> (978) 251-4242
> ed...@to...
> www.topozone.com
> 
> 
> -----Original Message-----
> From: Richard :o) [mailto:ma...@ri...]
> Sent: Monday, November 13, 2000 12:25 PM
> To: dyn...@li...
> Subject: Re: [Dynapi-Help] Newbie help with broken IMGs
> 
> 
> hi,
> It seems to be working ok, I would recommend pre-loading the images from the
> main square before showing it,
> and preload the images for east/west etc before showing them, so people
> don't see the pictures loading,
> and if you use different variable names for all the images, it will be much
> faster if you go back to a map you
> have seen before.
> There is a pre-load object in DynAPI afaik, but I have not used it yet, I do
> something like this:
> 
> var mycount=0;
> DynAPI.onLoad=function() {preLoad()}
> 
> function preLoad() {
>         Load=new DynLayer(null,100,100,200,200)
>          DynAPI.document.addChild(Load)        //this is used to write
> "please wait" message
> 
>          pic1 = new Image();
>          pic1.onload = (is.ns4b) ? loadCheck() : loadCheck;
>          pic1.src = "images/pic1.gif";
>          pic2 = new Image();
>          pic2.onload = (is.ns4b) ? loadCheck() : loadCheck;
>          pic2.src = "images/pic2.gif";
>         //add first 9 images or so.
> }
> function loadCheck() {
>          mycount++;
>          if(mycount == 2) {
>                  DynAPI.document.deleteChild(Load)
>                   showPage()
>            } else {
>                   if(mycount < 2) {
>                   Load.setHTML('<h4>Loading the Image '+(mycount)+' of 2
> images...</h4>')
>                    }
>            }
> }
> reference the images like this:
> picOne.setHTML('<img src="'+pic1.src+'" >')
> cheers,
> Richard:o)
> 
> 
> ----- Original Message -----
> From: "Ed McNierney" <Ed...@to...>
> To: <dyn...@li...>
> Sent: Tuesday, November 14, 2000 4:22 PM
> Subject: [Dynapi-Help] Newbie help with broken IMGs
> 
> 
>> Hi!  I'm building an update to my site with DynAPI and it's working very
>> nicely to start - nice job!  I'm running into a weird behavior with IMG
> tags
>> in my DynLayers.
>>
>> I'm doing something very simple.  I'm creating a set of DynLayers, and one
>> of them is a mosaic of IMG tiles.  In the simplest case, it's just a 3x3
>> grid with 9 IMG tags in it, broken into lines with <BR> tags.  I'm
> creating
>> the layer, then using .setHTML once to set the HTML in that layer to a
>> string of "<IMG><IMG><IMG><BR><IMG><IMG><IMG><BR><IMG><IMG><IMG>".
>>
>> In IE 5.0, I frequently get "broken image" symbols showing up instead of
> the
>> images.  I've seen this behavior in NS 4.7, too, but it seems much less
>> frequent (but still a serious problem).  This behavior is erratic;
>> refreshing the page will either fix the problem OR cause different images
> to
>> be broken.
>>
>> You can see a sample page at
>>
> http://140.239.165.86/maptools/dynamap.asp?lat=43.443&lon=-72.3796&s=50&size
>> =s - please let me know if you have any trouble with it.
>>
>> Help is very much appreciated, as I'm about to go deeply down the DynAPI
>> path but I need to know if I'm running into a fatal obstacle first -
> thanks!
>>
>> - Ed
>>
>> Ed McNierney
>> Executive Vice President and Chief Mapmaker
>> TopoZone.com  / Maps a la carte, Inc.
>> 73 Princeton Street, Suite 305
>> North Chelmsford, MA  01863
>> (978) 251-4242
>> ed...@to...
>> www.topozone.com
>>
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>>
> 
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