/**
	@ Author: ser
*/
(function($) {
    $.fn.heightFix = function() {
        function heightFix() {
            if ($('.all_page').height() < $('body').height()) $('.all_page').css('height', $('body').height());
        }
        heightFix();
        $(window).resize(function() {
            heightFix();
        });
    }
})(jQuery);