local_domname = 'ta' + 'ich' + 'itu' + 'iti' + 'on.c' + 'o.u' + 'k';
main_email_addr = 'john@' + local_domname;

function put_email_link()	/* 1st optional arg is text to display, second is css class */
{
  var argv = arguments;
  var argc = arguments.length;

  var theText = ( arguments.length > 0 ) ? arguments[0] : 'email';
  var css_class = ( arguments.length > 1 ) ? arguments[1] : '';

  document.write( "<a href='mailto:" + main_email_addr + "' class='" + css_class + "' title='Contact via email'>" + theText + "</a>" );
}