function select(){
var ausgabe = '';
selected = document.form.lens_manufactor.value;

switch(selected){

case '0':
select_lens = '';
document.getElementById('add_keyword').innerHTML='';
document.getElementById('lenstext').innerHTML= '';
break;


	
case 'Canon':
var canon_lens = new Array(
'TS-E 17mm 1:4L',
'TS-E 24mm 1:3.5L',
'TS-E 24mm 1:3.5L II',
'TS-E 45mm 1:2.8',
'TS-E 90mm 1:2.8',
'MP-E 65mm 1:2.8 1-5x Macro',
'EF 14mm 1:2.8L USM',
'EF 14mm 1:2.8L II USM',
'EF 15mm 1:2.8 Fisheye',
'EF 20mm 1:2.8 USM',
'EF 24mm f/1.4L II USM',
'EF 24mm 1:2.8',
'EF 28mm 1:1.8 USM',
'EF 28mm 1:2.8',
'EF 35mm 1:1.4L USM',
'EF 35mm 1:2',
'EF 50mm 1:1.2L USM',
'EF 50mm 1:1.4 USM',
'EF 50mm 1:1.8',
'EF 50mm 1:1.8 II',
'EF 50mm 1:2.5 Compact Macro',
'EF 85mm 1:1.2L II USM',
'EF 85mm 1:1.8 USM',
'EF 100mm 1:2 USM',
'EF 100mm 1:2.8 Macro USM',
'EF 135mm 1:2L USM',
'EF 135mm 1:2.8',
'EF 180mm 1:3.5L Macro USM',
'EF 200mm 1:2.0L IS USM',
'EF 200mm 1:2.8L II USM',
'EF 300mm 1:2.8L IS USM',
'EF 300mm 1:4L IS USM',
'EF 400mm 1:2.8L IS USM',
'EF 400mm 1:4 DO IS USM',
'EF 500mm 1:4L IS USM',
'EF 600mm 1:4L IS USM',
'EF 800mm 1:5,6L IS USM',
'EF 16-35mm 1:2.8L USM',
'EF 16-35mm 1:2.8L II USM',
'EF 17-40mm 1:4L USM',
'EF 24-70mm 1:2.8L USM',
'EF 20-35mm 1:3.5-4.5 USM',
'EF 24-85mm 1:3.5-4.5 USM',
'EF 24-105mm 1:4L IS USM',
'EF 28-90mm 1:4-5.6 II',
'EF 28-90mm 1:4-5.6 II USM',
'EF 28-105mm 1:4-5.6',
'EF 28-105mm 1:4-5.6 USM',
'EF 28-105 mm 1:3.5-4.5 II USM',
'EF 28-135mm 1:3.5-5.6 IS USM',
'EF 28-200mm 1:3.5-5.6',
'EF 28-200mm 1:3.5-5.6 USM',
'EF 28-300mm 1:3.5-5.6L IS USM',
'EF 55-200mm 1:4.5-5.6 II USM',
'EF 70-200mm 1:2.8L IS USM',
'EF 70-200mm 1:2.8L IS II USM',
'EF 70-200mm 1:4L USM',
'EF 70-200mm 1:4L IS USM',
'EF 70-300mm 1:4-5.6 IS USM',
'EF 70-300mm 1:4.5-5.6 DO IS USM',
'EF 75-300mm 1:4-5.6 III',
'EF 75-300mm 1:4-5.6 III USM',
'EF 80-200mm 1:4.5-5.6 II',
'EF 90-300mm 1:4.5-5.6',
'EF 90-300mm 1:4.5-5.6 USM',
'EF 100-300mm 1:4.5-5.6 USM',
'EF 100-400mm 1:4.5-5.6L IS USM',
'EF-S 10-22mm 1:3.5-4.5 USM',
'EF-S 17-55mm 1:2.8 IS USM',
'EF-S 17-85mm 1:4-5.6 IS USM',
'EF-S 18-55mm 1:3.5-5.6',
'EF-S 18-55mm 1:3.5-5.6 IS',
'EF-S 18-200mm f/3.5-5.6 IS',
'EF-S 55-250mm 1:4-5.6 IS',
'EF-S 60mm 1:2.8 Macro USM'
);

for (var item in canon_lens) {
ausgabe +="<option value=\"" +canon_lens[item] +"\">" +canon_lens[item] +"</option>\n";
}
select_lens = "<select size='1' name='lens' class='input'>" + ausgabe + "</select>";
document.getElementById("add_keyword").innerHTML="<br \><b><span style=\" font-size:12px\" class=\"message_color1\">! Objektiv zu Schlüsselwörter hinzufügen</b></span></b> <input type='button' name='add_key' value='OK' class='button' onClick='setkey()'/>";

document.getElementById("lenstext").innerHTML= "<b>Objektivmodell:</b>";

break;

case 'Sigma':
var sigma_lens = new Array(
'4.5mm F2.8 EX DC Zirkular Fisheye HSM',
'8mm F3.5 EX DG Zirkular Fisheye',
'10mm F2.8 EX DC HSM',
'15mm F2.8 EX DG FISHEYE',
'20mm F1.8 EX DG',
'24mm F1.8 EX DG',
'28mm F1.8 EX DG',
'30mm F1.4 EX DC HSM',
'50mm F2.8 EX DG MAKRO',
'50mm F1.4 EX DG HSM',
'70mm F2.8 EX DG MAKRO',
'105mm F2.8 EX DG MAKRO',
'150mm F2.8 EX DG HSM MAKRO',
'180mm F3.5 EX DG HSM MAKRO',
'300mm F2.8 EX DG HSM',
'500mm F4.5 EX DG HSM',
'800mm F5.6 EX DG HSM',
'10-20mm F4-5.6 EX DC HSM',
'12-24mm F4.5-5.6 EX DG Asp. HSM',
'17-70mm F2.8-4.5 DC HSM',
'18-50mm F2.8 EX DC MAKRO HSM',
'18-50mm F3.5-5.6 DC',
'18-125mm F3.8-5.6 DC OS HSM',
'18-200mm F3.5-6.3 DC',
'18-200mm F3.5-6.3 DC OS',
'18-250mm F3.5-6.3 DC OS HSM',
'24-60mm F2.8 EX DG',
'24-70mm F2.8 EX DG',
'24-70 F2.8 EX DG HSM',
'28-70mm F2.8 EX DG',
'28-300mm F3.5-6.3 DG Makro',
'50-150mm F2.8 EX APO DC HSM II',
'50-500mm F4.0-6.3 EX APO HSM',
'50-500mm F4.0-6.3 EX APO DG HSM',
'50-500mm F4.5-6.3 DG APO OS HSM',
'55-200mm F4-5.6 DC',
'70-200mm F2.8 EX APO HSM',
'70-200mm F2.8 EX APO DG Makro HSM II',
'70-200mm F2.8 EX APO DG OS Makro HSM II',
'70-300mm F4.0-5.6 DG',
'70-300mm F4.0-5.6 DG APO',
'100-300mm F4 EX DG HSM',
'120-300mm F2.8 EX DG HSM',
'120-400mm F4.5-5.6 DG OS HSM',
'150-500mm F5-6.3 DG OS HSM',
'200-500mm F2.8 EX DG',
'300-800mm F5.6 EX DG HSM'
);

for (var item in sigma_lens) {
ausgabe +="<option value=\"" +sigma_lens[item] +"\">" +sigma_lens[item] +"</option>\n";
}
select_lens = "<select size='1' name='lens' class='input'>" + ausgabe + "</select>";
document.getElementById("add_keyword").innerHTML="<br \><b><span style=\" font-size:12px\" class=\"message_color1\">! Objektiv zu Schlüsselwörter hinzufügen</b></span></b> <input type='button' name='add_key' value='OK' class='button' onClick='setkey()'/>";

document.getElementById("lenstext").innerHTML= "<b>Objektivmodell:</b>";

break;

case 'Nikon':
var nikon_lens = new Array(
'AF 10.5mm 1:2.8G ED DX Fisheye',
'AF 14 mm 1:2.8D ED',
'AF 16mm 1:2.8D Fisheye',
'AF 20mm 1:2.8D',
'AF 24mm 1:2.8D',
'AF 28mm 1:2.8D',
'AF 35mm 1:2D',
'AF 50mm 1:1.4D',
'AF 50mm 1:1.8D',
'AF Micro 60mm 1:2.8D',
'AF 85mm 1:1.4D',
'AF 85mm 1:1.8D',
'AF DC 105mm 1:2D',
'AF 180mm 1:2.8D IF-ED',
'AF Micro 200mm 1:4D IF-ED',
'AF 18-35mm 1:3.5-4.5D ED',
'AF 24-85mm 1:2.8-4D IF',
'AF VR 80-400mm 1:4.5-5.6D ED',
'AF-S DX 35mm 1:1.8G',
'AF-S 50mm 1:1.4G',
'AF-S MICRO 60mm/2.8G ED',
'AF-S VR Micro 105mm 1:2.8G',
'AF-S VR 200mm 1:2G IF-ED',
'AF-S VR 300mm 1:2.8 IF-ED',
'AF-S 300mm 1:4D IF-ED',
'AF-S VR 400mm 1:2.8G ED',
'AF-S 400mm 1:2.8D IF-ED II',
'AF-S VR 500mm 1:4G ED',
'AF-S 500mm 1:4D IF-ED II',
'AF-S 600mm 1:4D IF-ED II',
'AF-S VR 600mm 1:4G ED',
'AF-S DX 12-24mm 1:4G IF-ED',
'AF-S 14-24mm 1:2.8G ED',
'AF-S 16-35mm 1:4.0G ED VR',
'AF-S DX 16-85mm 1:3.5 - 5.6G ED VR',
'AF-S 17-35mm 1.2.8D IF-ED',
'AF-S DX 17-55mm 1:2.8G IF-ED',
'AF-S DX VR 18-55mm 1:3.5-5.6G',
'AF-S DX 18-55mm 1:3.5-5.6G ED II',
'AF-S DX 18-70mm 1:3.5-4.5G IF-ED',
'AF-S DX 18-105mm 1:3.5-5.6G ED VR',
'AF-S DX 18-135mm 1:3.5-5.6 IF-ED',
'AF-S DX VR 18-200mm 1:3.5-5.6G IF-ED',
'AF-S 24-70mm 1:2.8G ED',
'AF-S VR 24-120mm 1:3.5-5.6G IF-ED',
'AF-S 28-70mm 1:2.8 IF-ED',
'AF-S DX 55-200mm 1:4-5.6G ED',
'AF-S DX VR 55-200mm 1:4-5.6 G IF-ED',
'AF-S VR 70-200mm 1:2.8G IF-ED',
'AF-S 70-200 F2.8 G VR II',
'AF-S 70-200 F2.8 G ED VR II',
'AF-S VR 70-300mm 1:4.5-5.6G IF-ED',
'AF-S VR 200-400mm 1:4G IF-ED',
'PC-E 24mm  3.5D E',
'PC-E Micro 85mm 1:2.8D'
);

for (var item in nikon_lens) {
ausgabe +="<option value=\"" +nikon_lens[item] +"\">" +nikon_lens[item] +"</option>\n";
}
select_lens = "<select size='1' name='lens' class='input'>" + ausgabe + "</select>";
document.getElementById("add_keyword").innerHTML="<br \><b><span style=\" font-size:12px\" class=\"message_color1\">! Objektiv zu Schlüsselwörter hinzufügen</b></span></b> <input type='button' name='add_key' value='OK' class='button' onClick='setkey()'/>";

document.getElementById("lenstext").innerHTML= "<b>Objektivmodell:</b>";

break;

case 'Tamron':
var tamron_lens = new Array(
'AF 90mm F/2.5',
'AF 90mm F/2.8',
'AF 300mm F/2.8',
'AF 18-200mm F/3.5-6.3 XR Di II LD Asph [IF] MACRO',
'AF 18-250mm F/3.5-6.3 Di II LD Asph [IF] MACRO',
'AF 18-270mm F/3.5 -6.3 Di II VC LD Asph [IF] Macro',
'AF 19-35mm F/3.5-4.5',
'AF 20-40mm F/2.7-3.5',
'AF 20-40mm F/2.7-3.5 Asph [IF]',
'AF 24-70mm F/3.3-5.6',
'AF 28-70mm F/3.5-4.5',
'AF 28-80mm F/3.5-5.6',
'AF 28-80mm F/3.5-5.6 Asph',
'AF 28-105mm F/2.8',
'AF 28-105mm F/4-5.6',
'AF 28-105mm F/4-5.6 [IF]',
'AF 28-200mm F/3.8-5.6',
'AF 28-200mm F/3.5-5.6 LD ASL [IF]',
'AF 28-200mm F/3.5-5.6 LD ASL [IF] Macro"',
'AF 28-200mm F/3.8-5.6 Asph XR [IF] MACRO',
'AF 28-200mm F/3.8-5.6 XR Di Asph [IF] MACRO',
'AF 28-300mm F/3.5-6.3 LD ASL [IF] Macro',
'AF 28-300mm F/3.5-6.3 LD AD Asph XR [IF] Macro',
'AF 28-300mm F/3.5-6.3 XR Di LD Asph [IF] MACRO',
'AF 28-300mm F/3.5-6.3 XR Di VC LD Asph [IF] MACRO',
'AF 35-90mm F/4-5.6',
'AF 35-105mm F/2.8',
'AF 35-135mm F/3.5-4.5',
'AF 55-200mm F/4-5.6 Di II LD MACRO',
'AF 70-210mm F/2.8',
'AF 70-210mm F/4-5.6',
'AF 70-300mm F/4-5.6',
'AF 70-300mm F/4-5.6 LD',
'AF 70-300mm F/4-5.6 LD MACRO 1:2',
'AF 70-300mm F/4-5.6 Di LD MACRO 1:2',
'AF 75-300mm F/4-5.6 LD',
'AF 80-210mm F/4.5-5.6',
'AF 90-300mm F/4.5-5.6',
'AF 100-300mm F/5-6.3',
'AF 200-400mm F/5.6',
'AF 200-400mm F/5.6 LD [IF]',
'SP AF 14mm F/2.8 Asph [IF]',
'SP AF 90mm F/2.8 Macro 1:1',
'SP AF 90mm F/2.8 Di MACRO 1:1',
'SP AF 180mm F/3.5 Di LD[IF] MACRO 1:1',
'SP AF 300mm F/2.8 LD IF',
'SP AF 11-18mm F/4.5-5.6 Di II LD Asph [IF]',
'SP AF 10-24mm F/3.5-4.5 Di II LD Asph [IF]',
'SP AF 17-35mm F/2.8-4 Di LD Asph [IF]',
'SP AF 17-50mm F/2.8 XR Di II LD Asph [IF]',
'SP AF 24-135mm F/3.5-5.6 AD Asph [IF]',
'SP AF 28-75mm F/2.8 XR Di LD Asph [IF] MACRO',
'SP AF 28-105mm F/2.8 LD Asph [IF]',
'SP AF 70-200mm F/2.8 Di LD [IF] MACRO',
'SP AF 200-500mm F/5-6.3 Di LD [IF]',
'SP 70-300mm F/4-5.6 Di VC USD'
);

for (var item in tamron_lens) {
ausgabe +="<option value=\"" +tamron_lens[item] +"\">" +tamron_lens[item] +"</option>\n";
}
select_lens = "<select size='1' name='lens' class='input'>" + ausgabe + "</select>";
document.getElementById("add_keyword").innerHTML="<br \><b><span style=\" font-size:12px\" class=\"message_color1\">! Objektiv zu Schlüsselwörter hinzufügen</b></span></b> <input type='button' name='add_key' value='OK' class='button' onClick='setkey()'/>";

document.getElementById("lenstext").innerHTML= "<b>Objektivmodell:</b>";

break;

case 'Tokina':
var tokina_lens = new Array(
'AF 35mm f/2.8 Macro',
'AF 100mm f/2.8',
'AF 10-17mm f/3.5-4.5',
'AF 11-16mm f/2.8',
'AF 12-24mm f/4',
'AF 16-50mm f/2.8',
'AF 50-135mm f/2.8',
'AF 80-400mm f/4.5-5.6'
);

for (var item in tokina_lens) {
ausgabe +="<option value=\"" +tokina_lens[item] +"\">" +tokina_lens[item] +"</option>\n";
}
select_lens = "<select size='1' name='lens' class='input'>" + ausgabe + "</select>";
document.getElementById("add_keyword").innerHTML="<br \><b><span style=\" font-size:12px\" class=\"message_color1\">! Objektiv zu Schlüsselwörter hinzufügen</b></span></b> <input type='button' name='add_key' value='OK' class='button' onClick='setkey()'/>";

document.getElementById("lenstext").innerHTML= "<b>Objektivmodell:</b>";

break;

case 'Sony':
var sony_lens = new Array(
'SAL-16F28 16mm F2.8 Fischauge',
'SAL-20F28 20mm F2.8',
'SAL-28F28 28mm F2.8',
'SAL-35F14G 35mm F1.4 G',
'SAL-50F14 50mm F1.4',
'SAL-50M28 50mm F2.8 Makro',
'SAL-85F14Z 85mm F1.4 ZA',
'SAL-100M28 100mm F2.8 Makro',
'SAL-135F18Z 135mm F1.8 ZA',
'SAL-135F28 135mm F2.8 [T4.5] STF',
'SAL-300F28G 300mm F2.8 G',
'SAL-500F80 500mm F8',
'SAL-1635Z 16-35mm F2.8 ZA SSM',
'SAL-1680Z DT 16-80mm F3.5-4.5 ZA',
'SAL-16105 DT 16–105mm F3.5–5.6',
'SAL-1870 DT 18–70mm F3.5–5.',
'SAL-18200 DT 18-200mm F3.5-6.3',
'SAL-18250 DT 18–250mm F 3.5–6.3',
'SAL-2470Z 24-70mm F2.8 ZA SSM',
'SAL-24105 24-105mm F3.5-4.5',
'SAL-55200 DT 55–200mm F4–5.6',
'SAL-70200G 70-200mm F2.8 G',
'SAL-70300G 70-300mm F4.5-5.6 G SSM',
'SAL-70400G 70-400mm F4-5.6 G SSM',
'SAL-75300 75-300mm F4.5-5.6'
);

for (var item in sony_lens) {
ausgabe +="<option value=\"" +sony_lens[item] +"\">" +sony_lens[item] +"</option>\n";
}
select_lens = "<select size='1' name='lens' class='input'>" + ausgabe + "</select>";
document.getElementById("add_keyword").innerHTML="<br \><b><span style=\" font-size:12px\" class=\"message_color1\">! Objektiv zu Schlüsselwörter hinzufügen</b></span></b> <input type='button' name='add_key' value='OK' class='button' onClick='setkey()'/>";

document.getElementById("lenstext").innerHTML= "<b>Objektivmodell:</b>";

break;

case "6":
select_lens = "<input name='man_lens' type='text' size='40' class='input'>";
document.getElementById("lenstext").innerHTML= "<b>Format:</b> Hersteller Objektivdaten";
document.getElementById("add_keyword").innerHTML="";
break;

default:
break;
}
document.getElementById("lens").innerHTML = select_lens;
}