imageMiddle.txt

        imgMiddle:  function(cssMethod){
            if( ! $(this).length ) return;
            $(this).each(function(){
                var img = $(this).find('img'),
                    areaH = $(this).height(),
                    imgH = img.innerHeight();
                if( imgH > 0 ){
                    setImageCss(imgH, areaH, img);
                } else {
                    img.load(function(){
                        imgH = $(this).innerHeight();
                        setImageCss(imgH, areaH, $(this));                
                    });
                }
            });

            function setImageCss(imgH, areaH, img){
                if( imgH > 0 && imgH < areaH ){
                    var vTop = (areaH - imgH) / 2;
                    if(cssMethod == 'top') {
                        img.css({position:'relative', top: vTop});    
                    } else if (cssMethod == 'padding-top') {
                        img.css({ paddingTop: vTop});    
                    } else {
                        img.css({marginTop: vTop});
                    }
                }
            }
        },