function generate_address( username, hostname, subject ) {
        var domain = ".com";
        var atsign = "@";
        var addr = username + atsign + hostname + domain;
        document.write( 
          "<" + "a" + " " + "href=" + "mail" + "to:" + addr + "?subject=" + subject + ">" +
          addr +
          "<\/a>");
		
      }
	  
	  function generate_address_ex( username, hostname, domain, subject) {
        
        var atsign = "&#64;";
        var addr = username + atsign + hostname + "." + domain;
        document.write( 
          "<" + "a" + " " + "href=" + "mail" + "to:" + addr + "?subject=" + subject + ">" + addr +
          "<\/a>");
      }