var xmlObj = new ActiveXObject("MSXML.DOMDocument");
var xmlStr = "<root/>";

if (!xmlObj.loadXML(xmlStr)) alert("Xml Hatasi: " + xmlObj.parseError.reason);

function addParameterToXmlForCache()
{
		var subNodeObj =xmlObj.createElement("field");
		subNodeObj.setAttribute("name","cache")
		subNodeObj.setAttribute("value",Math.random());
		xmlObj.documentElement.appendChild(subNodeObj);
}


function addParameterToXml(strName,strValue)
{
		var subNodeObj =xmlObj.createElement("field");
		subNodeObj.setAttribute("name",strName)
		subNodeObj.setAttribute("value",strValue);
		xmlObj.documentElement.appendChild(subNodeObj);
}

function clearAjaxParameters()
{
	xmlObj = new ActiveXObject("MSXML.DOMDocument");
	if (!xmlObj.loadXML(xmlStr)) 	alert("Xml Hatasi: " + xmlObj.parseError.reason);
	addParameterToXmlForCache();
}

addParameterToXmlForCache();