(function($){
	$(function(){
		var $body = $('body');
		$body.append('<div id="background" style="display:none"></div>');
		$('#main .inside').append('<div id="close" style="display:none"></div>');
			
		var $window = $(window);
		var $background = $('#background');
			
		var $videos = $('div.video');
		$videos.css('z-index', 1001);
	
		var $close = $('#close');
		$close
			.css('z-index', 1002)
			.css('cursor', 'pointer')
			.click(function(){
				$background.hide();
				$videos.hide();
				$close.hide();
				$body.removeClass('show-video');
				location.reload(true);
				return false;
			});
	
		$('a.video').click(function(){
			var $this = $(this);
			var scrollTop = $window.attr('scrollTop');
			
			if(scrollTop === undefined || scrollTop === null) {
				scrollTop = 0;
			}
			
			scrollTop -= 50;
			
			var scrollLeft = $window.attr('scrollLeft');
			
			if(scrollLeft === undefined || scrollLeft === null) {
				scrollLeft = 0;
			}
			
			$background
				.width($window.width())
				.height($window.height())
				.css('position', 'absolute')
				.css('top', scrollTop)
				.css('left', scrollLeft)
				.css('z-index', 1000)				
				.fadeIn('slow', function(){
					$('#' + $this.attr('id') + '_popup').show();
					$close.show();
				});
				
			$body.addClass('show-video');
			
			return false;
		});
		
		var $tageszeit = $('body.termine select[name="Tageszeit"]');
		
		if($tageszeit.length > 0)
		{
			var $untersuchungsmethode = $('body.termine select[name="Untersuchungsmethode"]');
			var $tageszeitOptions = $tageszeit.children();
			var $mrtOption0 = $tageszeitOptions.eq(0);
			var $mrtOption3 = $tageszeitOptions.eq(3);
			var $mrtOption4 = $tageszeitOptions.eq(4);
			var $mrtOption5 = $tageszeitOptions.eq(5);
			
			var toggleMrtOptions = function(show)
			{
				if(show)
				{
					$tageszeit.prepend($mrtOption0);
					$tageszeit.append($mrtOption3);
					$tageszeit.append($mrtOption4);
					$tageszeit.append($mrtOption5);
				}
				else
				{
					$mrtOption0.remove();
					$mrtOption3.remove();
					$mrtOption4.remove();
					$mrtOption5.remove();
				}
			};
			
			if($untersuchungsmethode.val() != 'Magnetresonanztomographie (MRT)') {
				toggleMrtOptions(false);
				$tageszeit.val('vormittags');
			}
			
			$untersuchungsmethode.change(function(){
				if($untersuchungsmethode.val() == 'Magnetresonanztomographie (MRT)') {
					toggleMrtOptions(true);
				} else {
					toggleMrtOptions(false);
					$tageszeit.val('vormittags');
				}
			});
		}
	});
})(jQuery);