function toggle(id)
{
	if (document.getElementById) { obj = document.getElementById(id); }
	if (document.all) { obj = document.all[id]; }
	if (document.layers) { obj = document.layers[id]; }
	if (obj) {
		if (obj.style.display == "none") {
			obj.style.display = "";
		} else {
			obj.style.display = "none";
		}
	}
	return false;
}

var iconClose = new Image();
iconClose.src = 'images/icon/close12.gif';
var iconOpen = new Image();
iconOpen.src = 'images/icon/open12.gif';

function toggleIcon ( iconName )
{
	if ( document.images[iconName].src == window.iconOpen.src ) {
		document.images[iconName].src = window.iconClose.src;
	} else if ( document.images[iconName].src == window.iconClose.src ) {
		document.images[iconName].src = window.iconOpen.src;
	}
	return;
}