$(document).ready(function() {
    
    jQuery.fn.centerSubMenu = function(loaded) {
        var obj = this;
        if(!loaded) {
                obj.css('left', $(window).width()/2-this.width()/2+160);
                $(window).resize(function() { obj.centerSubMenu(!loaded); });
        } else {
                obj.stop();
                obj.animate({ left: $(window).width()/2-this.width()/2+160}, 100, 'linear');
        }
    }
    
    jQuery.fn.centerSubHomeButton = function(loaded) {
        var obj = this;
        if(!loaded) {
                obj.css('left', $(window).width()/2-this.width()/2-160);
                $(window).resize(function() { obj.centerSubHomeButton(!loaded); });
        } else {
                obj.stop();
                obj.animate({ left: $(window).width()/2-this.width()/2-160}, 100, 'linear');
        }
    }
    
    jQuery.fn.centerSubContactButton = function(loaded) {
        var obj = this;
        if(!loaded) {
                obj.css('left', $(window).width()/2-this.width()/2-90);
                $(window).resize(function() { obj.centerSubContactButton(!loaded); });
        } else {
                obj.stop();
                obj.animate({ left: $(window).width()/2-this.width()/2-90}, 100, 'linear');
        }
    }
    
    $("#SubMenu").centerSubMenu();
    
    $("#SubHomeButton").centerSubHomeButton();
    
    $("#SubContactButton").centerSubContactButton();
    
});