$(window).load(function(){
   


}); 


$(document).ready(function(){




        

$("a.nadzak").css( {opacity: '0.9'} ).mouseover(function(){          
$(this).stop().animate({opacity: '0.5'}, {duration:1500}) })      
.mouseout(function(){$(this).stop().animate({opacity: '0.9'}, {duration:200})        
});




if ( $.browser.msie ) {

$('a.nadzakg').css( {backgroundPositionY: '0px'} );
$('a.nadzakg').mouseover(function(){          
$(this).stop().animate({backgroundPositionY: '-150px'}, {duration:500}) })      
.mouseout(function(){$(this).stop().animate({backgroundPositionY: '0px'}, {duration:1500})        
});

}
else
{
$('a.nadzakg').css( {backgroundPosition: '0px 0px'} );
$('a.nadzakg').mouseover(function(){          
$(this).stop().animate({backgroundPosition: '(0px -150px)'}, {duration:500}) })      
.mouseout(function(){$(this).stop().animate({backgroundPosition: '(0px 0px)'}, {duration:1500})        
});


}


    
               });