var browserName = navigator.appName;
		var browserVer = parseInt(navigator.appVersion);
		var version = "";
		var msie4 = (browserName == "Microsoft Internet Explorer" && browserVer >= 4);
		if ((browserName == "Netscape" && browserVer >= 3) || msie4 || browserName=="Konqueror" || browserName=="Opera") {version = "n3";} else {version = "n2";}

function chkFormular () {
  if (document.Formular.name.value == "") {
    alert("Bitte Ihren Namen eingeben!");
    document.Formular.name.focus();
    return false;
  }

  if (document.Formular.email.value == "") {
    alert("Bitte Ihre E-Mail-Adresse eingeben!");
    document.Formular.email.focus();
    return false;
  }
  if (document.Formular.email.value.indexOf("@") == -1) {
    alert("Keine E-Mail-Adresse!");
    document.Formular.email.focus();
    return false;
  }
  
  if (document.Formular.nachricht.value == "") {
    alert("Bitte eine Nachricht eingeben!");
    document.Formular.nachricht.focus();
    return false;
  }
}

		// Blurring links:
		function blurLink(theObject)	{	//
			if (msie4)	{theObject.blur();}
		}
					// decrypt helper function
			function decryptCharcode(n, start, end, offset) {
				n = n + offset;
				if(offset > 0 && n > end) {
					n = start + (n - end - 1);
				} else if(offset < 0 && n < start) {
					n = end - (start - n - 1);
				}
				return String.fromCharCode(n);
			}

			// decrypt string
			function decryptString(enc, offset) {
				var dec = "";
				var len = enc.length;
				for(var i = 0; i < len; i++) {
					var n = enc.charCodeAt(i);
					if(n >= 0x2B && n <= 0x39) {
						dec += decryptCharcode(n, 0x2B, 0x3A, offset);
						// 0-9 . , - + / :
					} else if(n >= 0x40 && n <= 0x5A) {
						dec += decryptCharcode(n, 0x40, 0x5A, offset);
						// A-Z @
					} else if(n >= 0x61 && n <= 0x7A) {
						dec += decryptCharcode(n, 0x61, 0x7A, offset);
						// a-z
					} else {
						dec += enc.charAt(i);
					}
				}
				return dec;
			}

			// decrypt spam-protected emails
			function linkTo_UnCryptMailto(s) {
				location.href = decryptString(s, -2);
			}