function encode_mail(mailnickname,displayname){
var tg="<";          /*W3C validator needs that*/
var name=mailnickname;   /*first part of your address*/
var at="@";
    
var host1="unes";/*start of your provider's name*/
var host2="co.org";   /*end of your provider's name*/
var text=name+"<img src=\"/graphics/at.gif\"  border=\"0\" style=\"vertical-align:bottom\" alt=\"at,arobase\">unesco<img src=\"/graphics/dot.gif\" style=\" vertical-align:bottom \" alt=\"dot,point\" border=\"0\">org";  /*text you want to display - don't display the address*/
document.write(tg+"a hr"+"ef=mai"+"lto:"+name);
document.write(at+host1+host2+">"+text+tg+"/a>");
}