(function(){

$(document).ready(function(){

	var w = $('#wrap');
	var hb = $(document.body).height();
	var ht = $('#top').height();
	var hw = w.outerHeight();

	if (hb - ht > hw + 100)
	{
		var hh = Math.floor(hb * 0.95) - ht;
		w.css({ height: (w.height() + (hh - hw) * 0.9) + 'px' });
	}
});

})();