I use iframe for remote scripting.
If I press submmit button rapidly a lot of times witout waiting page
load, at error
Access is denined appers at line
container=window.frames['jsrs1'];

This appears only if iframe returs a lot of data.

How to fix this error ?

Code:

<span id="SPANjsrs1" style="display:none">
<iframe name="jsrs1" src="#"></iframe></span>
<script>

container=window.frames['jsrs1'];

function field_onafterupdate( oThis, nIdDesktop ) {

// The next line cuses error Access is denied !  Why ?
var doc = container.document;
...
}