//common functions.js

//getElementById fetcher -- from DustianDiaz.com
function get(el) {
	return document.getElementById(el);
}

//toggle display of elements
function toggle() {
	for (var i=0, el; el = get(arguments[i]); i++) {
		el.style.display = (el.style.display != 'none' ? 'none' : '' );
	}
}

//toggle a specific display value
function toggleSpecific(elId, displayVal) {
	get(elId).style.display = displayVal;
}

//change ClassNames
function changeClassName(id, newClassName) {
	get(id).className = newClassName;
}