function toggle(num) {
	if (document.getElementById('child-' + num).className == 'child-items') {
		document.getElementById('child-' + num).className = 'child-items-expanded';
		document.getElementById('exp-' + num).innerHTML = "<a href=\"javascript:toggle('" + num +"')\"><img src=\"/layout/img/minus.gif\" /></a>";
	} else {
		document.getElementById('child-' + num).className = 'child-items';
		document.getElementById('exp-' + num).innerHTML = "<a href=\"javascript:toggle('" + num +"')\"><img src=\"/layout/img/plus.gif\" /></a>";
	}
}