function sending()
{
   var s="";
   if (document.contactform.firstname.value=="") s+="\n- First Name";
   if (document.contactform.lastname.value=="") s+="\n- Last Name";
   if (document.contactform.phone.value=="") s+="\n- Phone";
   if (document.contactform.email.value=="") s+="\n- Email";
   if (document.contactform.help.value=="") s+="\n- How can we help you?";
   if (s!="")
   {
     alert("Please enter the following fields:"+s);
     return false;
   }

   if (-1 == document.contactform.email.value.indexOf("@") || -1 == document.contactform.email.value.indexOf("."))
   {
     alert("Please enter a valid From Email address");
     return false;
   }

  return true;
   
}