function show_alert(message, timeout)
{
	if( !timeout ) {
		timeout = 3000;
	}

	var oAlertDiv = document.getElementById("alert_div");
	var oAlertMsgDiv = document.getElementById("alert_msg_div");
	
	oAlertMsgDiv.innerHTML = message;
	oAlertDiv.style.display = "";
	
	setTimeout("hide_alert()", timeout);

//	alert(message);
}

function hide_alert()
{
	var oAlertDiv = document.getElementById("alert_div");
	var oAlertMsgDiv = document.getElementById("alert_msg_div");
	
	oAlertMsgDiv.innerHTML = "";
	oAlertDiv.style.display = "none";
}