$(function() {
	
	
	
	setInterval(function() {
        
		var opa = $('#kopfgrafik2').css('opacity');
		if (opa < 1) var nopa = 1;
		else nopa = 0;
		
		$('#kopfgrafik2').animate({
			
			opacity: nopa
			
		  }, 2000, function() {
			
			// Animation complete.
		});
		
    }, 10000);
	
	
	
	
	
	
	
	
	
	
});