function chkForm(form)
{
	if(form.nickname.value=='') 
	{
		alert(infNeedUserName);
		form.nickname.focus();
		return false;
	}

	if(form.email.value=='') 
	{
		alert(infNeedEmail);
		form.email.focus();
		return false;
	}

	if(form.title.value=='') 
	{
		alert(infNeedTitle);
		form.title.focus();
		return false;
	}
	
	if(form.content.value=='') 
	{
		alert(infNeedContent);
		form.contenform.focus();
		return false;
	}
	return true;
}