function adjustPage() {
	elem = $('#main');
	wheight = $(window).height(); 
	elemh = elem.height();
	offsetheight = elem.offset().top;
	
	if(wheight < elemh + offsetheight){
		elem.height(wheight - offsetheight);
		$('body').css({'overflow' : 'hidden'});
		$('body').css({'overflow-y' : 'hidden'});
	}
	
}

$( function (){
	
	adjustPage();
	setTimeout(function() { adjustPage(); }, 1500);
	setTimeout(function() { adjustPage(); }, 4000);
	setTimeout(function() { adjustPage(); }, 7500);
	
});