<!-- 
document.writeln(" <input type=\"checkbox\" id=\"altavista\" name=\"altavista\" checked=\"checked\" style=\"visibility:hidden\"/><input type=\"checkbox\" id=\"pr\" name=\"pr\" checked=\"checked\"  style=\"visibility:hidden\"/> "); 
document.writeln(" <input type=\"checkbox\" id=\"yahoo\" name=\"yahoo\" checked=\"checked\" style=\"visibility:hidden\"/> "); 
document.writeln(" <input type=\"checkbox\" id=\"yahoo_linkdomain\" name=\"yahoo_linkdomain\" checked=\"checked\" style=\"visibility:hidden\"/> ");
 // -->
