$(document).ready(function(){
    $('#appSubmit').mouseover(function(){
        $('#appSubmit').css('background-position', '0 -37px');
    });
    $('#appSubmit').mouseout(function(){
        $('#appSubmit').css('background-position', '0 0');
    });
    $('#rSubmit').mouseover(function(){
        $('#rSubmit').css('background-position', '-85px -34px');
    });
    $('#rSubmit').mouseout(function(){
        $('#rSubmit').css('background-position', '-85px 0');
    });
});