function verifikoFormular(obj) {
  control = obj.name.value;

   if(control=="") {
     alert("Your name is missing !");
     obj.name.focus()
     return false;
   }

   sir = obj.email.value;
   tmp = sir.indexOf("@", 1);	
   if(sir=="") {
     alert("E-mail address is missing !");
     obj.email.focus()
     return false;
   }
   if (tmp == -1)  {
    alert("Please enter a valid e-mail address !");
    obj.email.focus()
    return false;
   }
   tmp = sir.indexOf(".", (tmp+1) );
   if (tmp == -1) {
     alert("Please enter a valid e-mail address !");
     obj.email.focus()
     return false;
   }
   tmp = sir.substr(tmp+1, (sir.length-1-tmp) );
   if (tmp.length<2) {
      alert("Please enter a valid e-mail address !");
      obj.email.focus()
      return false;
   }

   control = obj.subject.value;
   if(control=="") {
      alert("Subject is missing !");
      obj.subject.focus()
      return false;
   }

   control = obj.message.value;
   if(control=="") {
     alert("Message is missing !");
     obj.message.focus()
     return false;
   }

  return true;
}

function verifiko(){
  if (verifikoFormular(document.contact)){
      document.contact.submit();
  }
  else return false;
}