n4=(document.layers);
n6=(document.getElementById&&!document.all);
ie=(document.all);

function GetEl(el) {

	if(n4){
		obj = document.el; // NN4
	} else {
		if(n6){
			obj = document.getElementById(el);
		} else {
			if(ie){
				obj = document.getElementById(el); 
			} else {
				obj = document.getElementById(el); 
			}
		}
	}

	return obj;
}


displayOn = 'block';
displayOf = 'none';

function expandIt(el) {

	e = GetEl('el' + el);
	i = GetEl('im' + el);

	if( e.style.display == displayOn) {
		e.style.display = displayOf;
		if(i != undefined) i.src="/i/a1.gif";
	} else {
		e.style.display = displayOn;
		if(i != undefined) i.src="/i/a2.gif";
	}

	return false;
}