var tracebox = document.createElement("div");
tracebox.id = "tracebox";

function addEvent(elm, evType, fn, useCapture) {
	if (elm.addEventListener) {
		elm.addEventListener(evType, fn, useCapture);
		return true;
	} else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	} else {
		elm['on' + evType] = fn;
	}
}

function trace(message, delimiter) {
	if (!document.getElementById("tracebox")) document.getElementById("container").appendChild(tracebox); 
	tracebox.innerHTML = tracebox.innerHTML + message + delimiter;
}