<!--//
/* =============================================================
format fns_base64-Bibliothek
Name: shared.base64.js
Erstellungsdatum: 22.06.2006
Modifiziert: 06.11.2007
Author: http://www.webtoolkit.info
Modifier: sfluri(at)format-ag.ch
Version: $2.0
============================================================= */

/*
 fns_base64 ENCODE/DECODE
 Verschluesselt in fns_base64 und entschluesselt fns_base64
 @param: @call = encode|decode
 @call: fns_base64.encode('Werte') | fns_base64.decode('Wert)'
*/

var fns_base64 = {

    // private property
    _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

    // public method for encoding
    encode : function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = fns_base64._utf8_encode(input);

        while (i < input.length) {

            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);

            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;

            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }

            output = output +
            this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
            this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

        }

        return output;
    },

    // public method for decoding
    decode : function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;

        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

        while (i < input.length) {

            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));

            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;

            output = output + String.fromCharCode(chr1);

            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }

        }

        output = fns_base64._utf8_decode(output);

        return output;

    },

    // private method for UTF-8 encoding
    _utf8_encode : function (string) {
        string = string.replace(/\r\n/g,"\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // private method for UTF-8 decoding
    _utf8_decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;

        while ( i < utftext.length ) {

            c = utftext.charCodeAt(i);

            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return string;
    }

}

/*
 DECODEEMAIL
 Entschluesselt mit fns_base64 codierte  Werte (E-Mail-Adressen).  Schutz vor Spam-Bots
 @param: base64string
 @param: option = link|blank (leer)
 @call: <a href="javascript:fns_base64_decodeEmail('base64string','option');"><?php echo base64_decode('base64string-from-php');?></a>
*/

function fns_base64_decodeEmail(base64string,option)
  {
	/* --- Entschluesselung des gelieferten Strings --- */
	decodedValue = fns_base64.decode(base64string);
	/* --- Search & Replace (at) to @ um E-Mails wirklich versenden zu koennen --- */
	Search = new Array("(at)");
	Replace = new Array ("@");
	if (option == "link")
		{
		for (var i = 0; i <= Search.length-1; i++)
	  	{
			for (var j = 0; j <= decryptedString.length; j++)
		  	{
				decodedValue = decodedValue.replace(Search[i],Replace[i]);
				}
			}
		location.href='mailto:' + decodedValue;
		}
	else
	  {
		return decodedValue;
		}
	}
	
//-->