function macselectchange()
	{
		var macselect = document.querySelector('#macfilterselect');

		if(macselect) {
			var opt = macselect.options[macselect.selectedIndex];
			if(opt.value == "disable")
			{
				document.getElementById('macfilterlistdiv').style.display = "none";
			}
			else
			{
				document.getElementById('macfilterlistdiv').style.display = "block";
			}
		}
	}

	function generalSetting() {
		document.getElementById('generaldiv').style.display = "block";
		document.getElementById('advanceddiv'