var XMLHttpReq = false;
var res;
var div_Input;
// ����XMLHttpRequest����
function createXMLHttpRequest() {
	if (window.XMLHttpRequest) {
		XMLHttpReq = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		try {
			XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				XMLHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {

			}
		}
	}
}

// ����������
function sendRequest() {
	createXMLHttpRequest();
	var xml = getInputTOXml();
	XMLHttpReq.open("POST", "/GDZJ/XmlStoreDataServlet", true);
	XMLHttpReq.onreadystatechange = processResponse;
	XMLHttpReq.setRequestHeader("Content-Type",
			"application/x-www-form- urlencoded");
	XMLHttpReq.send(xml);
}

// ���?����Ϣ����
function processResponse() {
	if (XMLHttpReq.readyState == 4) {
		if (XMLHttpReq.status == 200) {
			displayHot();
		} else {
			window.alert("���������ҳ�����쳣��");
		}
	}
}

// �������ص�xml��Ϣ
function displayHot() {
	var objectID = XMLHttpReq.responseXML.getElementsByTagName("objectID")[0].firstChild.nodeValue;
	var responseText = XMLHttpReq.responseXML
			.getElementsByTagName("responseText")[0].firstChild.nodeValue;
	res = document.getElementById("responseText");
	document.all.objectID.value = objectID;
	res.innerHTML = responseText;
	dispDiv();
	setTimeout("deletDispDiv()", 3000);
}
// ��ʾ������Ϣ
function dispDiv() {
	var savebutton = document.all.btmbox;
	div_Input = document.getElementById("div_Input");
	div_Input.style.display = "block";
	div_Input.style.left = savebutton.offsetLeft + 520;
	div_Input.style.top = savebutton.offsetTop - 30;
}
// ɾ��ص���ʾ��Ϣ
function deletDispDiv() {
	div_Input.style.display = "none";
}

function createXMLDOM() {
	var arrSignatures = ["MSXML2.DOMDocument.5.0", "MSXML2.DOMDocument.4.0",
			"MSXML2.DOMDocument.3.0", "MSXML2.DOMDocument", "Microsoft.XmlDom"];
	for (var i = 0; i < arrSignatures.length; i++) {
		try {
			var oXmlDom = new ActiveXObject(arrSignatures[i]);
			return oXmlDom;
		} catch (oError) {
			// ignore
		}
	}
	throw new Error("���ϵͳû�а�װMSXML");
}
/**
 * ����Ҫ�ύ����̨�������ɵ�XML
 */
function getInputTOXml() {
	var doc = createXMLDOM();
	// �����ļ�ͷ
	// var p = doc.createProcessingInstruction("xml","version='1.0'
	// encoding='gb2312'");
	// doc.appendChild(p);
	doc.createElement("students");
	var root = doc.createNode(1, "students", "");
	// �����ӽӵ�
	var n = doc.createNode(1, "ttyp", "");

	var o;
	var newObject = document.getElementsByTagName("input");
	var checkLen = newObject.length
	var i = 0;
	while (i < checkLen) {
		var oneItem = newObject.item(i);

		var objName = oneItem.name;
		var objValue = oneItem.value;
		if (objName != null && objName != "") {
			if (oneItem.type == "radio") {
				objValue = getRadioCheckboxValue(objName);
			}
			// ������ӵ� alert(eval("document.form1." + objName))
			o = doc.createElement(objName);
			o.text = objValue;
			// ָ�����ı�
			// �����ӵ�
			n.appendChild(o);
			// ����ӽӵ�
			root.appendChild(n);
		}
		i = i + 1;
	}

	var newObject = document.getElementsByTagName("select");
	var checkLen = newObject.length
	var i = 0;
	while (i < checkLen) {
		var oneItem = newObject.item(i);
		var objName = oneItem.name;
		var objValue = oneItem.value;
		if (objName != null && objName != "") {
			// ������ӵ�
			o = doc.createElement(objName);
			o.text = objValue;
			// ָ�����ı�
			// �����ӵ�
			n.appendChild(o);
			// ����ӽӵ�
			root.appendChild(n);
		}
		i = i + 1;
	}

	var newObject = document.getElementsByTagName("textarea");
	var checkLen = newObject.length
	var i = 0;
	while (i < checkLen) {
		var oneItem = newObject.item(i);
		var objName = oneItem.name;
		var objValue = oneItem.value;
		if (objName != null && objName != "") {
			// ������ӵ�
			o = doc.createElement(objName);
			o.text = objValue;
			// ָ�����ı�
			// �����ӵ�
			n.appendChild(o);
			// ����ӽӵ�
			root.appendChild(n);
		}
		i = i + 1;
	}
	// ���ƽӵ�
	var m = n.cloneNode(true);
	root.appendChild(m);
	// ɾ��ӵ�
	root.removeChild(root.childNodes(0));
	// ��Ӹ�ӵ�
	doc.appendChild(root);
	return "<?xml version='1.0' encoding='gb2312'?>" + n.ownerDocument.xml;
}
function getRadioCheckboxValue(aControlName) {
	var aObj = document.getElementsByName(aControlName);
	var count = aObj.length;
	for (i = 0; i < count; i++) {
		if (aObj[i].checked == true) {
			return aObj[i].value;
		}
	}
	return "";
}