(function ($) { $.fn.VerticalAlign = function() { return this.each(function(i){ $(this).children().wrapAll('<div class="nitinh-vAlign" style="position:relative;"></div>'); var div = $(this).children('div.nitinh-vAlign'); var ph = $(this).innerHeight(); var dh = div.height(); var mh = (ph - dh) / 2; div.css('top', mh); }); }; })(jQuery);