title: Update iFrame-page/ content of iFrame by click
body: <p>If you've read some of my previous questions you know I had a problem that I solved with iFrames. Anyways, what I would like now is to be able to update the page that the iFrame shows (it's a local page of mine) when I click an update button. How is this possible without updating the page I'm on?</p>
  
  <p>Background info:
  I'm on home.php where I have an iFrame. This iFrame shows the page something.php, which is one of my pages. I had to be able to update home.php without waiting for something.php to update, so the solution was to place them in two documents and then include it using iFrames (now home.php can be shown without waiting for something.php). The content of this something.php is dynamic and updates based on other webpages. Let's say the user wants to update the content of this iFrame, or the content doesn't show up. He will then be given an button "update" which will just refresh the something.php page, without refreshing home.php</p>
  
  <p>Can this be done (preferably in PHP, but JavaScript/jQuery is also welcome)?</p>