/*

spongo.js
Javascript functions for www.spongocoel.com
Copyright Scott Saunders, 2005

last update: 2005-11-24

*/


function changeText(elementID, text) {
	var element = document.getElementById(elementID);	
	var oldText = element.childNodes.item(0);
	var newText = document.createTextNode(text);
	element.replaceChild(newText, oldText);
}


function showOrHideHelpBar() {
	var bar = document.getElementById("navDescription");
	if (bar.style.display == "none") {
		bar.style.display = "block";
	} else {
		bar.style.display = "none";
	}
}