php - htaccess for fully ajax based site

I am making fully ajax based site. Whenever any URL hit for site, I need to load common view. So for that I made this in htaccess

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ /index.php [L]
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And after loading common view, I am making an ajax call but because of this htaccess, ajax call again loading same view.

For example,

If anyone is requesting forwww.abc.com/dashboard, it needs to loadindex.php file first. And then I will be another making request for/dashboardto get the HTML content.

In short, index.php loads the skeleton, and then I am ready to load the data from ajax. But because of the above htaccess, it will loadindex.php even if i will request to/dashboard.

I am in deadlock.

More information: I am usingjQuery andasual address plugin for handing change event of address.

I am usingCodeIgniter.