function deviceSelectionToggle(obj) {
	
	var val;
	var display;
	var name;
	var current = obj.options[obj.selectedIndex].value;
	
	for (var i = 1; i < obj.length; i++) {
		val = obj.options[i].value;
		if (current == val) {
			display = 'block';
			name = 'device';
		} else {
			display = 'none';
			name = 'device_disabled';
		}
		document.getElementById('deviceselection_brand' + val).style.display = display;
		document.getElementById('deviceselection_brand' + val).name = name;
	}
}