function checksubmit()
{
	var text = "";
	if(get("job_log") == "")
	{
		text += "Please enter username.\n";
	}
	if(get("katalalu") == "")
	{
		text += "Please enter password.\n";
	}
	
if(text != "")
	{
		alert(text);
		return false;
	}
	else
	{
		return true;
	}
}

function get(id)
{
	return document.getElementById(id).value;
}