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Is there a way of ensuring Iframe contained page refreshes to top each time?

Posted on 2010-11-16
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Last Modified: 2012-05-10
Hi,

I have an Iframe which points to 3 child forms pages which step through ie 1 of 3, 2 of 3 and 3 of 3. The problem is that 2 of 3 is a very long page and one has to scroll down to get to the button "Next" which then shows a blank page because the parent Iframe is still scrolled down and the 3rd page is short. Is there a way to ensure that each time the child window is "nexted" the new child page has its focus top left, rather than its current position. Unfortunately I have very limited control over the child windows since it is a 3rd party payment application.

Thanks,

Sam

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Question by:SamJolly
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7 Comments
 
LVL 60

Expert Comment

by:HainKurt
ID: 34147486
use scroll(0,0) on your steps

here is a sample called from a button
Top<br>
<p> a long text here </p><p> a long text here </p><p> a long text here </p><p> a long text here </p>
<p> a long text here </p><p> a long text here </p><p> a long text here </p><p> a long text here </p>
<p> a long text here </p><p> a long text here </p><p> a long text here </p><p> a long text here </p>
<p> a long text here </p><p> a long text here </p><p> a long text here </p><p> a long text here </p>
<p> a long text here </p><p> a long text here </p><p> a long text here </p><p> a long text here </p>
<p> a long text here </p><p> a long text here </p><p> a long text here </p><p> a long text here </p>
<p> a long text here </p><p> a long text here </p><p> a long text here </p><p> a long text here </p>

<button onClick="GoToTop()">scroll top</button>
<script>
function GoToTop(){
  scroll(0,0);
}
</script>

Open in new window

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LVL 60

Expert Comment

by:HainKurt
ID: 34147506
in your case just add

<script>
function GoToTop(){
  scroll(0,0);
}
</script>

<body onLoad="GoToTop()"...>
0
 

Author Comment

by:SamJolly
ID: 34147788
Kurt,

Thanks for this. The trouble with this solution is that I would have to add it to the child pages and I cannot do that as they are 3rd party. So I was wondering whether there was a way from the parent Iframe page to control this behaviour?

So to clarify:

IFrame Page
      ChildForm1  - Short Page
             Next
       ChildForm2 - Long page
             Next
       ChildForm3 - Short Page - Stays at bottom therefore looks blank which is the problem. Manually scrolling the parent iFrame scrollbar back up reveals the form on the 3rd page. So how can this be done automatically from the Parent iFrame Page?

Thanks,

Sam
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LVL 60

Expert Comment

by:HainKurt
ID: 34148318
if they are in the same domain yes, you can control from parent
if they are running on different domains, you cannot (for security reasons)
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LVL 60

Accepted Solution

by:
HainKurt earned 2000 total points
ID: 34148476
if they are in same domain you can use

<iframe name=frmChild id=frmChild src="http://same.domain.com/somepage.aspx"></iframe>

<button onClick="GoToTop()">scroll frame to top</button>
<script>
function GoToTop(){
window.scroll(0,0);
  var frm = document.frames["frmChild"]
  frm.scroll(0,0);
}
</script>
0
 

Author Comment

by:SamJolly
ID: 34149832
Kurt,

They are in different domain so I guess that I am out of luck.

I will now discuss the situation a bit with the 3rd party to see if they can add the JS, but I am not hopeful !!

Thanks for your help,

Sam
0
 

Author Closing Comment

by:SamJolly
ID: 34149841
thks
0

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