[mapguide-users] Microsoft JScript runtime error

Tue Sep 5 17:06:22 EDT 2006

There may be a timing issue involved.  Seems like there are two windows at play here, and the grandparent in question may not be ready (it may still be loading) even though your page is already done (your onPageLoad has fired.)

JavaScript is pretty compartmentalized, so there may be security constraints that prevent you from realizing whether another window has loaded (that’s been true for IE, anyway.)

One workaround might be to fire off a setTimeout on page load, where the timeout would call the Zoom, which predicated on the assumption that all pages finish loading by the time the timeout expires.  Another option is to have the grandparent do the actual ZoomToView upon its reaching loaded state.

- Thomas

  _____  

From: Adam Herbert [mailto:adam at aemsaustralia.com.au] 
Sent: Tuesday, September 05, 2006 1:57 PM
To: users at mapguide.osgeo.org
Subject: [mapguide-users] Microsoft JScript runtime error

Hi,

I am running this code:

<script type="text/javascript">

            function onPageLoad()

            {

                parent.parent.ZoomToView(<%=x %>, <%=y %>, 110000, true);

            }

            </script>

</head>

<body class="AppFrame" onload="onPageLoad()">

And getting this error:

Microsoft JScript runtime error: Object doesn't support this property or method

mapFrame.ZoomToView(x,y,scale,refresh); on Line 213 of ajaxviewer.aspx

I can run this fine from a link on the same page and point it to the scriptFrame but when I try to run the onPageLoad function it fails.

Any ideas on what I might be doing wrong?

Adam Herbert
IT Manager
AEM Solutions Pty Ltd
PO Box 514, Toowoomba Q. 4350
Phone: 07 4613 0455
Cell: 0437 599 907
Website: www.aemsaustralia.com.au <http://www.aemsaustralia.com.au> 

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