//// ---- Browserabfrage//browser_name = navigator.appName;browser_version = parseFloat(navigator.appVersion); 	if (browser_name == "Netscape" && browser_version >= 3.0) 		{ roll = 'true'; }	else if(browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) 		{ roll = 'true'; }	else 		{ roll = 'false'; }//// ---- anfang Menuesteuerung//        function msover1(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }        function msout1(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }//// ---- Window opener//  function wopener(theURL,h,b) { // by M.Kosmann  var set = "width=" + b + ",height=" + h + ",scrollbars=yes";  window.open(theURL,'_blank',set);  }function go2(){var rt = true; var merk = document.form1.elements.cat; var merk3 = merk.options[merk.selectedIndex].value; if (merk3 != "0" && merk.options[merk.selectedIndex].value.indexOf('@') == -1) {	alert('Bitte eine Unterkategorie auswhlen');	var rt = false; } return rt;}function go3(){var rt = true; var merk = document.form1.elements.cat; var merk3 = merk.options[merk.selectedIndex].value; if (merk.options[merk.selectedIndex].value.indexOf('@') == -1) {	alert('Bitte eine Unterkategorie auswhlen');	var rt = false; } return rt;}function checker() {var rt = true;if (document.form1.email.value.indexOf('@') == -1) { alert('Bitte eMail eingeben!'); document.form1.email.focus(); document.form1.email.select(); rt = false;}return rt;}function checker2() {var rt = true;if (document.form1.email.value.indexOf('@') == -1) { alert('Bitte eMail eingeben!'); document.form1.email.focus(); document.form1.email.select(); rt = false;}if (document.form1.name.value == "") { alert('Bitte Namen eingeben!'); document.form1.namen.focus(); document.form1.namen.select(); rt = false;}return rt;}