function mailFormat(){
    var maildivider="[at]"

    for (i=0; i<=(document.links.length-1); i++)
    {
        if (document.links[i].href.indexOf(maildivider)!=-1)
        document.links[i].href=document.links[i].href.split(maildivider)[0]+"@"+document.links[i].href.split(maildivider)[1]
    }
}