var idIntervalMsgBox;

function showMessage(aMsg){
	if(document.getElementById("message").innerHTML == ""){
		document.getElementById("message").innerHTML = aMsg;
		Effect.SlideDown('messageBox', { duration: 0.5 });
		idIntervalMsgBox = setTimeout("hideMessage()", 6000);
	}else{
		clearInterval(idIntervalMsgBox);
		document.getElementById("message").innerHTML = aMsg;
		setTimeout("hideMessage()", 6000);
	}
}

function hideMessage(){
	Effect.SlideUp('messageBox', { duration: 0.5, afterFinish:clearBox});
}

function clearBox(){
	document.getElementById("message").innerHTML = "";
}