//À̸áüũ
function check_email(input)
{
  if ( input.search(/(\S+)@(\S+)\.(\S+)/) == -1 )
  {
    return false;
  }
return true;
}

function keydown()
{ 
  if (event.keyCode==13) 
  {
    pre_submit();
  }
} 

function change_combobox(C_choice) 
{  
  document.service_write.select2.value = C_choice ;
}  


//ÀԷ¹ڽº üũ
function pre_submit(X)
{
  if (!X.N_bbs_name.value)
  {
    alert('Type your name!');
    X.N_bbs_name.focus();
    return;
  }
  else if(X.N_bbs_name.value.length < 2)
  {
    alert('your name is too short.');
    X.N_bbs_name.value = "";
    X.N_bbs_name.focus();
    return;
  }    
  else
  {

  } 
   
  if (!X.N_bbs_email.value)
  {
    alert('Type your e-mail');
    X.N_bbs_email.focus();
    return;
  }
  else if (!check_email(X.N_bbs_email.value))
  {
    alert("You should follow correct e-mail type : ex) activepost@activepost.net");
    X.N_bbs_email.value = "";
    X.N_bbs_email.focus();
    return;
  }
  else
  {
  }
  
  if (!X.select2.value)
  {
  	alert("Select a product to Q&A.");
  	return;
  }
  
  if (!X.N_bbs_subject.value)
  {
  	alert("Type your subject");
  	X.N_bbs_subject.focus();
  	return;
  }  

  if (!X.N_bbs_contents.value)
  {
  	alert("Type content");
  	X.N_bbs_contents.focus();
  	return;
  }

  X.submit();
}