function resize(direction, indent){
var backgroundPosition = $('.active').css(direction);
var backgroundPosition_height = parseInt(backgroundPosition.replace(/([^0-9|-]+)/i, '')) + parseInt(indent);
$('.active').css({direction : backgroundPosition_height + 'px'});
}
resize('margin-left', '-5');
function resize(direction, indent){
var backgroundPosition = $('.active').css(direction);
var backgroundPosition_height = parseInt(backgroundPosition.replace(/([^0-9|-]+)/i, '')) + parseInt(indent);
var css = {};
css[direction] = backgroundPosition_height + 'px';
$('.active').css(css);
}