non so perchè, ma non ti legge il focus sull'iframe. Probabilmente su FF sente diversamente l'iframe.

te l'ho risolto, per modo di dire, cosi:

Codice PHP:
 $(document).ready(function(){
    
// Using multiple unit types within one animation.
    
$("iframe").hover(function(){
          $(
"body").animate({
        
opacity:".2"},500);
      $(
"#test").animate({
        
marginLeft"-30px",
        
opacity:"1"}, 500 );
      $(
"#frameI").animate({
        
width"630px",
        
marginLeft"-20px",
        
marginRight:"-24px",
        
opacity:"1"}, 500 )},
    function(){
      $(
"#test").animate({
        
width"300px",
        
marginLeft"110px"
      
}, 500 );
      $(
"#frameI").animate({
        
width"312px",
        
marginLeft"-35px",
        
marginTop:"-50px",
        
marginBottom:"-4px"
      
}, 500 );
      $(
"body").animate({
        
opacity:"1"},500);
    });
  });