jQuery(window).load(function () {
	footerDrop();
});

jQuery(window).resize(function () {
	footerDrop();
});

footerDrop = function() {  
	jQuery('#footer').css('marginTop','0');
	containerH=jQuery('#container').height();
	viewportH=jQuery(window).height();
	if (viewportH > (containerH+22)) {
		jQuery('#footer').css('marginTop',(viewportH-containerH-22+'px'));
	}
}