window.onerror=null;

var info_img = new Object();
var images_loaded = false;

function preload()
{
	if((images_loaded)||(!document.images))
		return;
	var sections = new Array("australia", "austria", "belgium", "canada", "denmark", "finland", "germany", "greece", "hongkong", "ireland", "italy", "japan", "netherlands", "newzealand", "norway", "portugal", "southafrica", "spain", "sweden", "switzerland", "unitedkingdom", "unitedstates");
	var info_blanks = new Object();
	info_blanks["test"] = "blank";

	info_img[0] = new Image();
	info_img[0].src = "/img/info_blank.jpg";

	var l = sections.length;
	for (var i = 0; i < l; i++)
	{
		var n = sections[i];
		if(info_blanks[n])
		{
			info_img[n] = info_img[0];
		} else {
			info_img[n] = new Image();
			info_img[n].src = "/img/" + n + ".jpg";
		}
	images_loaded = true;
	}
}

function swtch_on(nav)
{
	if(!images_loaded)
		preload();
	document.images['navInfo'].src = info_img[nav].src;
}

function swtch_off(nav)
{
	if(!images_loaded)
		preload();
	document.images['navInfo'].src = info_img[0].src;
}

function sidelight(domID, state)
{
	if(!document.getElementById)
		return;
	var e = document.getElementById(domID);
	if(e)
		e.className = "SideNavSecHeader" + state;
}