title: change attribute in <iframe><frameset><iframe><div> </
body: <p>i have this iframe in my php page </p>
  
  <p>iframe -
   html -
    frameset -
     iframe -
      iframe - 
        iframe -
         head -
          body -
           div id="change" -
            div -</p>
  
  <p>all i need is to change the attribute of the 'id="change"' into visible:hidden. I want to change via javascript.</p>
  
  <p>any idea?.., </p>
  
  <p>tnx for the rplies.</p>