//+----------------------------------------------------------+
//| name       : Obfuscate mails                             |
//| author     : runzheimer                                  |
//| description: ROT13 mail obfuscation                      |
//| important  : This algorithm uses a special addition.     |
//|              The '@' is replaced with an ’#’ to maximize |
//|              the obfuscation effect. Ask Maik for info.  |
//+----------------------------------------------------------+
jQuery.fn.obfuscateMail = function(){
    $.rotate = function(s) {
        return $.rotate13($.rotate5(s));
    };
    $.rotate5 = function(s) {
        var b = [],c,i = s.length,a = '0'.charCodeAt(),z = a + 10;
        while (i--) { 
            c = s.charCodeAt(i);
            if (c >= a && c < z) { b[i] = String.fromCharCode(((c - a + 5) % (10)) + a); }
            else { b[i] = s.charAt(i); }
        }
        return b.join('');
    };
    $.rotate13 = function(s) {
        var b = [],c,i = s.length,a = 'a'.charCodeAt(),z = a + 26,A = 'A'.charCodeAt(),Z = A + 26;
        while (i--) {
            c = s.charCodeAt(i);
            if (c >= a && c < z) { b[i] = String.fromCharCode(((c - a + 13) % (26)) + a); }
            else if (c >= A && c < Z) { b[i] = String.fromCharCode(((c - A + 13) % (26)) + A); }
            else { b[i] = s.charAt(i); }
        }
        return b.join('');
    };
    var o = $(this[0]);
    o.attr("href", function (arr) {
    	if ($(this).attr("href").indexOf("#") >= 0){
    		$(this).click(function(event) {
    			event.preventDefault();
    			//window.location.href = 'mailto:'+($.rotate13(($(this).attr('href'))).split('#').join('@'));
    			window.open('mailto:'+($.rotate13(($(this).attr('href'))).split('#').join('@')), "_blank");
    		});
    	}
    }).show();
};