function request() {
	$.post('/app/callout', function(data) {
		$('#callout').html(data);
		$('#callout').css('height', '100%');

		/*
		 * Fix the column heights AFTER the ajax call has completed otherwise
		 * the calculations fail because the DOM is not up-to-date.
		 */
		fixColumnHeight();
	});
}

function fixColumnHeight() {
	var mainHeight = $('#main').outerHeight();
	var sidebarHeight = $('#sidebar').outerHeight();
	
	if (mainHeight >= sidebarHeight) {
		$('#wrapper').css('background-color', '#CC9');
	}
	else {
		$('#wrapper').css('background-color', '#FFF');
	}
}