function guestbook_selectAll() {
	var items = document.getElementsByTagName('input');

	if (items.length > 0) {
		for (i=0; i<items.length; i++) {
			var item = items[i];
			
			if (item.id.substr(0,6) == 'entry_')
				item.checked = true;
		}
	}
}

function guestbook_toggleAll() {
	var items = document.getElementsByTagName('input');
	var main = document.getElementById('entry_0');

	if (items.length > 0) {
		for (i=0; i<items.length; i++) {
			var item = items[i];
			
			if (item.id.substr(0,6) == 'entry_' && item.id.substr(6) !== '0')
				item.checked = main.checked;
		}
	}
}