function addOption(list, name, value) {
	var option = document.createElement('option');
	option.appendChild(document.createTextNode(name));
	option.value = value;
	list.appendChild(option);
}

function clearOptions(list) {
	while (list.childNodes.length)
		list.removeChild(list.firstChild);
	list.selectedIndex = -1;
}

function selectTopDataCat_onchange() {
	var xsrc = document.getElementById("selectTopCatDept");
	clearOptions(xsrc);

	var xURI = "topCatDept.asp?catCode=" + document.getElementById("selectTopDataCat").value;
	var oXML = new XMLDocument(xURI, function() {
		var pckItemList = oXML.selectNodes("divList/row");
		for (var i = 0; i < pckItemList.length; i++) {
			var pckItem = pckItemList[i];
			addOption(xsrc, pckItem.selectSingleNode("mValue").text, pckItem.selectSingleNode("mCode").text);
		}
		xsrc.selectedIndex = 0;
	});
}

function deptLink_onclick() {
	var xURL = document.getElementById("selectTopCatDept").value;
	if (xURL) {
		if (xURL.substr(0, 21).toLowerCase() == "http://www2.mof.gov.tw")
			location.href = xURL;
		else
			window.open(xURL, "_nwMof");
	}
}