var username = "Carole.b.Versailles";
var hostname = "ca.pwc.com";
//var linktext = username + "@" + hostname;
var linktext = "Courriel";
document.write("<a href=" + "mail" + "to:" + username + "@" + hostname + "?subject=Response%20from%20pwcsolutionsdettes.com" + ">" + linktext + "</a>")