Bildebytter

<script>
				var current_media = 0;
				$('#media_toolbar_button_previous').click(function(){
					if(current_media > 0){
						current_media--;
					}
					else {
						current_media = media_array.length - 1;
					}
					document.getElementById('displayedmedia').src = media_array[current_media];
					document.getElementById('media_description').innerHTML = media_description_array[current_media];
				});
			
				$('#media_toolbar_button_next').click(function(){
					if(current_media < media_array.length - 1){
						current_media++;
					}
					else{
						current_media = 0;
					}
					document.getElementById('displayedmedia').src = media_array[current_media];
					document.getElementById('media_description').innerHTML = media_description_array[current_media];
				});
			</script>