function getClientHeight() {
		return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
	}

	window.onresize = function () {
		(getClientHeight() <= 800) ? $("body").addClass('mini') : $("body").removeClass('mini');
	}
	
	window.onload = window.onresize;