function fAjaxRequest(_sUrl, _sFunction, _bSynchron) {
	oRequest = false;

	if(window.XMLHttpRequest) {
		oRequest = new XMLHttpRequest();
	}
	else if(window.ActiveXObject) {
		if(oRequest = new ActiveXObject("Msxml2.XMLHTTP")) {
		} else {
			oRequest = new ActiveXObject("Microsoft.XMLHTTP")
		}
	}

	if(oRequest) {
		if(_sFunction) {
			oRequest.onreadystatechange =  new Function (_sFunction +"();");
		}
		oRequest.open('GET', _sUrl, _bSynchron);
		oRequest.send(null);
		return true;
	}
	else return false;
}