function toggle(num) {
	toggleImage(num);
	toggleCheckBox(num);
}

function toggleCheckBox(num) {
	cb = document.getElementById('srch_reg_' + num);
	if (cb.checked == true) {var cbToggle = false} else {cbToggle = true};
	document.getElementById('srch_reg_' + num).checked = cbToggle;
}

function toggleImage(num){
	regionVisi = (document.getElementById('map' + num).style.visibility == 'visible') ? 'hidden' : 'visible';
	document.getElementById('map' + num).style.visibility = regionVisi;
}

function showRegion(num){  //rollovers only
	document.getElementById("map").src = "/assets/CARTERJ/img/map/map" + num + ".gif";
}