//Click So hien menu

function ShowHide(sTRID)
{
	if (sTRID.style.display=="")
	{
		sTRID.style.display="none";
	}
	else
	{
		sTRID.style.display="";
	}
}
function ShowHide2(sTRID, strIDRoot) {
    if (sTRID.style.display == "") {
        sTRID.style.display = "none";
        strIDRoot.style.display = "block";
    }
    else {
        sTRID.style.display = "";
        strIDRoot.style.display = "block";
    }
}