function scrivia(user, site){
document.write('<a href=\"mailto:' + user + '@' + site + '\" class="indirizziok">');
document.write(user + '@' + site + '</a>');
}
function scriviacontatti(user, site){
document.write('<a href=\"mailto:' + user + '@' + site + '\" class=\"textokcopia\" onMouseOut=\"MM_swapImgRestore()\" onMouseOver=\"MM_swapImage(\'roll-contatti\',\'\',\'images/click-contatti-b.gif\',1)\">');
}