var innerXmlHttp = null;
var innerHandleStateChange = null;
//发送xmlHttpRequest
function xmlSend(strURL, xmlDoc)
{
	innerXmlHttp = new ActiveXObject("Msxml2.XmlHttp");

	var strDoc;

	if (typeof(xmlDoc) == "object")
		strDoc = xmlDoc.xml;
	else
		strDoc = xmlDoc;

	
	var bAysync = false;

	if (arguments.length > 2)
	{
		bAysync = true;
		innerXmlHttp.onreadystatechange = handleStateChange;
		innerHandleStateChange = arguments[2];
	}

	innerXmlHttp.open("POST", strURL, bAysync);
	innerXmlHttp.send(strDoc);

	if (bAysync)
		return innerXmlHttp;
	else
	{
		if (innerXmlHttp.responseXML.xml.length > 0)
			return innerXmlHttp.responseXML;
		else
			return createErrorXML(innerXmlHttp.responseText, "");
	}
}
function handleStateChange()
{
	if (innerXmlHttp.readyState == 4)
	{
		if (innerHandleStateChange)
			innerHandleStateChange(innerXmlHttp.responseXML);

		innerHandleStateChange = null;
	}
}
//得到url ?后的参数值
function getQueryItemValue(item)
{
	var querys = document.location.search;
	if(querys.length == 0)
		return "";
	else
	{
		querys = querys.substring(1, querys.length);
		var array = querys.split("&");
		for(var i = 0; i < array.length; i++)
		{
			var arr = array[i].split("=");
			if(arr[0] == item)
				return arr[1];
		}
		return "";
	}
}