$(document).ready( function () {

	var showMain = ( function() {
		var flyerBackup,
			currentPage = location.href,
			$textContainer = $('#main .text'),
			$flyer = $('#main .flyer'),
			$overlay = $('#main .overlay'),
			fadeStrength = 1; //0.66;
	
		if ( ! $('#main .overlay').hasClass('active') ) {
			// $overlay.css({opacity : 0}).show();
			// $textContainer.css({opacity : 0}).show();
			$textContainer.show();
		}
				
		return function (requestedPage) {
			// aangenomen is dat we vanuit de lege pagina gaan ajaxen
			// d.w.z. location.href geeft het adres van de lege pagina\
			
			var isEmptyPage = (requestedPage == location.href);
				wasEmptyPage = (currentPage == location.href);			
			
			if (currentPage != requestedPage) {

				// load the requested page
				if ( ! isEmptyPage ) {
					$textContainer.load(requestedPage);
				}

				// darken left side before displaying text
				if (wasEmptyPage) {
					$flyer.fadeTo("slow", 0);
					//$textContainer.fadeTo("slow", 1);
				}
				// lighten left side to show flyer
				if (isEmptyPage) {
					$flyer.fadeTo("slow", 1);
				}
				currentPage = requestedPage;				
			}
		}
	}());

	$('#navigatie a').click( function () {
		showMain(this.href);
		return false;
	});
});