function KeyPressQtriDangnhap(event)
{
	event = event || window.event;
	if (event.keyCode == 13)
		SubmitDangnhap();
}
function SubmitDangnhap()
{
	if(document.getElementById("DnUser").value.length>0)
	{
		if(document.getElementById("DnPass").value.length>0)
		{
			window.document.FormDangnhap.submit();
		}
		else
			alert(String.fromCharCode(66,7841,110,32,99,104,432,97,32,110,104,7853,112,32,80,97,115,115,119,111,114,100));
	}
	else
		alert(String.fromCharCode(66,7841,110,32,99,104,432,97,32,110,104,7853,112,32,85,115,101,114,110,97,109,101));
}