Hide Navigation if no bookmarks available though javascript action

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I want to hide Navigation panel if there is no bookmarks are available.
I tried using create new action and execute javascript code:

function HideNavigation(bm){

	if (bm == null) {
		this.viewState = {overViewMode:1}
	}
	return;
}

HideNavigation(this.bookmarkRoot.children);

Action runs perfectly and I saved the file but once I reopen the document still it shows Navigation.
Any idea to resolve the issue ?

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try67

Community Expert

PS. Your code is unnecessarily complicated. You can replace it with this single line:

if (this.bookmarkRoot.children == null) this.viewState = {overViewMode:1};

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S

saurabhmehtaAuthor

Participant

Yes, That I can update once I get concrete soultion and reason for the issue.

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Bernd Alheit

Community Expert

You can also use

this.pane="N";

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try67

Community Expert

Where did you place the code, exactly?

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S

saurabhmehtaAuthor

Participant

In Adobe acrobat pro I created a action and by using option 'Exceute Javascript' I have added code in that.

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try67

Community Expert

Actions only execute when you, well, execute them... If you want the code to run when the file is opened you have to embed it in it. Go to Tools - JavaScript - Document JavaScripts and place your code there.

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