function emdecrypt(Str) {
    var s = new String;
    var i;
    for (i = 0; i < Str.length; i += 2)
        s = s + String.fromCharCode(parseInt(Str.substr(i ,2), 16)^(i/2));
    return s;
}

function email() {
    var rEX = RegExp(/(#EM#[\w]+#EM#)/g);
    ahrefs = document.getElementsByTagName('a');
    nr_ahrefs = ahrefs.length;
    for(var ahr = 0; ahr < nr_ahrefs; ahr++)
    {
        var item = ahrefs[ahr];
        if(item.href.match('#EM#'))
            item.href = 'mailto:' + emdecrypt(item.href.replace(/#EM#/g,'').replace('mailto:',''));
        if(item.innerHTML.match('#EM#'))
            item.innerHTML = emdecrypt(item.innerHTML.replace(/#EM#/g,''));
    }
}

$(document).ready(function() {email();});