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- // 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 <= 0x3A) {
- 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);
- }
-
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