function checksignupemail(plist)  {
   if (plist.alname.value=="")   {
      alert("Please enter your name.");
      plist.alname.focus();
      return false;
   }
   if (plist.alemail.value=="")   {
      alert("Please enter your email address.");
      plist.alemail.focus();
      return false;
   }
return true;
}