$( function() {

	var slideIndex = 0;
	var nextMarket = "";
	var tslides	= $(".marketItem").length - 1;

	// 

	// make a slide case study as active
	function showSlide(i, fit, fot) {
		var oldMarket		= $('.marketItem.active').attr('market');
		var newMarket		= $('.marketItem').eq(i).attr('market');
		var oldSlideIndex	= $('.case_studies_slide[market=' + oldMarket + ']').index();
		var newSlideIndex	= $('.case_studies_slide[market=' + newMarket + ']').index();
		
		$('.marketItem').not($('.case_studies_slide.active').eq(oldSlideIndex)).unbind();
		$('.marketItem[market=' + oldMarket + ']').removeClass('active');
		$('.marketItem[market=' + newMarket + ']').addClass('active');

		$('.case_studies_slide.active').not($('.case_studies_slide.active').eq(oldSlideIndex)).css('opacity', 0);
		$('.case_studies_slide.active').not($('.case_studies_slide.active').eq(oldSlideIndex)).css('display', 'none');
		$('.case_studies_slide').eq(oldSlideIndex).fadeTo( fot, 0, null, function(event) {
			$('.case_studies_slide').eq(newSlideIndex).css('display', 'block').addClass('active').fadeTo( fit, 1, null, function(event) {
				$('.marketItem').bind('click', onMarketClick);	
			} );
	  	});
	};

	function onMarketClick() {
		$('.marketItem').unbind();
		newIndex = $(this).index();
		showSlide(newIndex, 350, 350);
	}

	$('.case_studies_slide').removeClass('active');
	$('.case_studies_slide').eq(slideIndex).addClass('active');
	$('.case_studies_slide').not('.active').css('opacity', 0);
	$('.case_studies_slide').not('.active').css('display', 'none');
	$('.marketItem').removeClass('active');
	$('.marketItem').eq(slideIndex).addClass('active');
	nextMarket = $('marketItem.active').attr('market');
	$('.marketItem').bind('click', onMarketClick);

});