function trackResize(){
   if ($(window).width() < 1082){
        $("#center_01").css("margin-left", "1%");
        $("#center_03").css("margin-right", "1%");
   } else if($(window).width() < 1250){
        $("#center_01").css("margin-left", "5%");
        $("#center_03").css("margin-right", "5%");
   } else {
        $("#center_01").css("margin-left", "10%");
        $("#center_03").css("margin-right", "10%");
   }
}

$(document).ready(function(){
    $("#center .center.hover").hover(function(){
        $(this).find("img:not(.hover)").hide();
        $(this).find("img.hover").show();
    }, function(){
        $(this).find("img:.hover").hide();
        $(this).find("img:not(.hover)").show();
    });
    
    /*trackResize();
    $(window).resize(function() {
        trackResize();
    });*/
});