var HIDDEN = "none";
var VISIBLE = "block";

function interactivearea(oCid) {
	var ia = document.getElementById(oCid);
	if (ia.style.display == "" || ia.style.display == HIDDEN) {
		show(ia);
	} else {
		hide(ia);
	}
}

function show(target) {
	target.style.display = VISIBLE;
}
function hide(target) {
	target.style.display = HIDDEN;
}

function getURL(url) {
	window.location = url;
}