js replace

gistfile1.txt

jQuery(document).ready(function () {
    jQuery(".imgResize").on('load', function () {
        var $this = jQuery(this);
        if ($this.width() > $this.height()) {
            $this.addClass("landscape");
        } else if ($this.width() < $this.height()) {
            $this.addClass("portrait");
        } else {

        }
        var $h = $this.height();
        $this.css('margin-top', +$h / -2 + "px");
    });
});