// toggle functions
function toggle(n) {
	if (document.getElementById) {
	 var e = document.getElementById(n);
	 var eStyle = e.style.display;
	 eStyle = (eStyle == 'block') ? 'none' : 'block';
	 e.style.display = eStyle;
	}
	else if (document.all) {
	 var e = document.all[n];
	 var eStyle = e.style.display;
	 eStyle = (eStyle == 'block') ? 'none' : 'block';
	 e.style.display = eStyle;
	}
}

function show(n) {
	if (document.getElementById) {
	 var e = document.getElementById(n);
	 var eStyle = e.style.display;
	 eStyle = 'block';
	 e.style.display = eStyle;
	}
	else if (document.all) {
	 var e = document.all[n];
	 var eStyle = e.style.display;
	 eStyle = 'block';
	 e.style.display = eStyle;
	}
}

function hide(n) {
	if (document.getElementById) {
	 var e = document.getElementById(n);
	 var eStyle = e.style.display;
	 eStyle = 'none';
	 e.style.display = eStyle;
	}
	else if (document.all) {
	 var e = document.all[n];
	 var eStyle = e.style.display;
	 eStyle = 'none';
	 e.style.display = eStyle;
	}
}

function swapText(elem, txt1, txt2) {

swapElem = document.getElementById(elem);

	if (swapElem.innerHTML == txt1) {
		swapElem.innerHTML = txt2;
	} else {
		swapElem.innerHTML = txt1;
	}

}