function getXMLDoc(xml){
	var xmlDoc;
	
	try{ //Internet Explorer
		xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
		xmlDoc.async="false";
		xmlDoc.loadXML(xml);
	}
	catch(e){
		try{ //Firefox, Mozilla, Opera, etc.
			parser=new DOMParser();
			xmlDoc=parser.parseFromString(xml,"text/xml");
		}
		catch(e) {alert(e.message)}
	}
	return xmlDoc;
}

function getXMLHttp(){
	var xmlHttp;
	
	try{ // Internet Explorer
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP")
//		xmlHttp=new ActiveXObject("MSXML2.ServerXMLHTTP"); 
	}
	catch (e){
		try{ //Firefox, Mozilla, Opera, etc.
			xmlHttp = new XMLHttpRequest(); 
		}
		catch (e){
			alert("Your browser does not support AJAX!");
			return false;
		}
	}
	return xmlHttp;
}