Basic image cropping.

gistfile1.txt

function momentImgResize(img, maxWidth, maxHeight) {

    if (img.data('type') == 'placeholder') {
        return;
    }

    var widthHeightRatio = 1.5;
    var imgWidth = img.width();
    var imgHeight = img.height();

    if ((imgWidth / imgHeight) == widthHeightRatio) {
        img.css('width', maxWidth + 'px');
        img.css('max-height', 'none');
    } else if ((imgWidth / imgHeight) < widthHeightRatio) {
        img.css('width', maxWidth + 'px');
        img.css('max-height', 'none');
        imgHeight = img.height();
        img.css('margin-top', -( (imgHeight - maxHeight) / 2 ) + 'px');
    } else {
        img.css('height', maxHeight + 'px');
        img.css('max-width', 'none');
        imgWidth = img.css('width');
        imgWidth = img.width();
        img.css('margin-left', -( (imgWidth - maxWidth) / 2 ) + 'px');
    }

}