[jQuery] animate

[KidsKilla .grin! wuz here]

Hi, everyone!
I haven't found in docs, can i stop an animation of 1 css rule without
touching everything other? for example:
$('div').animate({width:'+=300'}, 'slow');
$('div').animate({opacity:'hide'}, 'slow');
$('button').click(function(){
   $('div').stop('width').animate({width:'-=300'}, 'slow');
});

And maybe it's good itea to have namespaces for animation just like at events:
$("#block1").animate( { width: "90%"}, { queue: false, duration: 5000,
namespace:'blah-blah'
 } )

And one more: can i run animation agan (after .stop())?
$('div').animate({width:'+=300'}, 'slow').stop().run();

-- 
Максим Игоревич Гришаев,
AstroStar.ru