function stdAjax(requestFile, methodType, incString, methodOnFinish) {
	var catString = '';
	var ajaxCat = new sack();
	catString = ajaxCat.encVar('cookie', document.cookie) +'&'+ incString;
	ajaxCat.requestFile = requestFile;
	ajaxCat.method = methodType;
	ajaxCat.onLoading = function () { };
	ajaxCat.onLoaded = function () {};
	ajaxCat.onInteractive = function () {};
	ajaxCat.onCompletion = methodOnFinish;
	ajaxCat.runAJAX(catString);
}