function xmlHttpRequestCreate()
{
	var browser = navigator.appName;
	if (browser == "Microsoft Internet Explorer") {
		try{
			return new ActiveXObject('Msxml2.XMLHTTP');
		} catch(e) {
			return new ActiveXObject('Microsoft.XmlHttp');
		}
	} else {
		return new XMLHttpRequest();
	}
	return false;
}
var http = xmlHttpRequestCreate();
function getElementText(parentElem, _name)
{
	var result=parentElem.getElementsByTagName(_name);
	return result[0].firstChild.nodeValue;
}
function $(s)
{
	return document.getElementById(s);
}