function mediaswitch(element){
	var id = element;
	switch (id) {
		case 'switch-media1':
		document.getElementById('media1').style.display = 'block';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'switch-media';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media2':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'block';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'switch-media';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media3':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'block';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'switch-media';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media4':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'block';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'switch-media';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media5':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'block';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'switch-media';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media6':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'block';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'switch-media';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media7':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'block';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'switch-media';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media8':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'block';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'switch-media';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media9':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'block';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'switch-media';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media10':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'block';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'switch-media';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media11':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'block';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'switch-media';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media12':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'block';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'switch-media';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media13':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'block';
		document.getElementById('media14').style.display = 'none';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'switch-media';
		document.getElementById('switch-media14').className = 'blacklink';
		break;
		
		case 'switch-media14':
		document.getElementById('media1').style.display = 'none';
		document.getElementById('media2').style.display = 'none';
		document.getElementById('media3').style.display = 'none';
		document.getElementById('media4').style.display = 'none';
		document.getElementById('media5').style.display = 'none';
		document.getElementById('media6').style.display = 'none';
		document.getElementById('media7').style.display = 'none';
		document.getElementById('media8').style.display = 'none';
		document.getElementById('media9').style.display = 'none';
		document.getElementById('media10').style.display = 'none';
		document.getElementById('media11').style.display = 'none';
		document.getElementById('media12').style.display = 'none';
		document.getElementById('media13').style.display = 'none';
		document.getElementById('media14').style.display = 'block';
		document.getElementById('switch-media1').className = 'blacklink';
		document.getElementById('switch-media2').className = 'blacklink';
		document.getElementById('switch-media3').className = 'blacklink';
		document.getElementById('switch-media4').className = 'blacklink';
		document.getElementById('switch-media5').className = 'blacklink';
		document.getElementById('switch-media6').className = 'blacklink';
		document.getElementById('switch-media7').className = 'blacklink';
		document.getElementById('switch-media8').className = 'blacklink';
		document.getElementById('switch-media9').className = 'blacklink';
		document.getElementById('switch-media10').className = 'blacklink';
		document.getElementById('switch-media11').className = 'blacklink';
		document.getElementById('switch-media12').className = 'blacklink';
		document.getElementById('switch-media13').className = 'blacklink';
		document.getElementById('switch-media14').className = 'switch-media';
		break;
		
		default:
		// nothing
		break;
	}
}