$(function() {
	var fotos = new Array;
	var j = 0;
	var current = 0;

	
	
	$('#presse_pictures img').each(function(i) {
		fotos[j] = $(this).attr("src");
		j++;
	});

	
	

	$('.presse_forward').click(function() {
		
		current += 1;
		if (current == fotos.length) current = 0;

		$.switchFotos(current);
	});

	$('.presse_back').click(function() {
		
		current -= 1;
		if (current < 0) current = fotos.length-1;

		$.switchFotos(current);
	});


	
	$.extend({
		switchFotos: function ( current ) {

			back = current-1;
			if (back < 0) back = fotos.length-1;
			forward = current+1;
			if (forward == fotos.length) forward = 0;

		
			$('#presse_fotos_links').css('background', 'url('+ fotos[back].replace(/_web/, '_small') +') center no-repeat');
			$('#presse_fotos_mitte').css('background', 'url('+ fotos[current].replace(/_web/, '_middle') +') center no-repeat');
			$('#presse_fotos_rechts').css('background', 'url('+ fotos[forward].replace(/_web/, '_small') +') center no-repeat');
		
			$('.presse_fotos_print').attr('href', fotos[current].replace(/_web/, '_print') );
			$('.presse_fotos_web').attr('href', fotos[current] );
		}
	});
	
	
	$.switchFotos(0);
});