ns6 = document.getElementById && !document.all
ie = document.all

function changeto(e,highlightcolor) {
	source = (ie) ? event.srcElement : e.target;

	if (source.tagName == "TR" || source.tagName == "TABLE")
		return

	while (source.tagName != "TD" && source.tagName != "HTML")
		source = (ns6) ? source.parentNode : source.parentElement;

	if (source.style.backgroundColor != highlightcolor && source.id != "ignore") {
		source.style.backgroundColor = highlightcolor;
	}
}

function contains_ns6(master, slave) { //check if slave is contained by master
	while (slave.parentNode) {
		if ((slave = slave.parentNode) == master) {
			return true;
		}
	}

	return false;
}

function changeback(e,originalcolor) {
	if (ie && (event.fromElement.contains(event.toElement) || source.contains(event.toElement) || source.id=="ignore") || source.tagName == "TR" || source.tagName == "TABLE")
		return
	else if (ns6 && (contains_ns6(source, e.relatedTarget) || source.id=="ignore"))
		return

	if (ie && event.toElement!=source || ns6 && e.relatedTarget != source)
		source.style.backgroundColor = originalcolor
}