// JavaScript Document
function checkform ( form )
{  
  if (form.nama.value == "") {
    alert( "Please enter your name." );
    form.nama.focus();
    return false ;
  }
  if (form.alamat.value == "") {
    alert( "Please enter your address." );
    form.alamat.focus();
    return false ;
  }
  if (form.telepon.value == "") {
    alert( "Please enter your phone." );
    form.telepon.focus();
    return false ;
  }
  if (form.email.value == "") {
    alert( "Please enter your email address." );
    form.email.focus();
    return false ;
  }
  if (form.lama.value == "") {
    alert( "Please enter rent time." );
    form.lama.focus();
    return false ;
  }
  return true ;
}

function checkform2 ( form )
{  
  if (form.name_from.value == "") {
    alert( "Please enter your name." );
    form.name_from.focus();
    return false ;
  }
  if (form.email_from.value == "") {
    alert( "Please enter your email address." );
    form.email_from.focus();
    return false ;
  }  
  return true ;
}