function tx_xcibnews_selectall_locations(){
	var checked = $('tx_xcibnews_pi1_selectall_locations').getProperty('checked');
	var tLocations = document.getElementsByName("tx_xcibnews_pi1[filter][locations][]");
	for(i=0; i<tLocations.length; i++){
		tLocations[i].checked = checked;
	}
}

function tx_xcibnews_selectall_categories(){
	var checked = $('tx_xcibnews_pi1_selectall_categories').getProperty('checked');
	var tCategories = document.getElementsByName("tx_xcibnews_pi1[filter][categories][]");
	for(i=0; i<tCategories.length; i++){
		tCategories[i].checked = checked;
	}
}

function tx_xcibnews_toggle_locations(){
	var allselected = true;
	var tLocations = document.getElementsByName("tx_xcibnews_pi1[filter][locations][]");
	for(i=0; i<tLocations.length; i++){
		if(!tLocations[i].checked){
			allselected = false;
			break;
		}
	}
	$('tx_xcibnews_pi1_selectall_locations').setProperty('checked', allselected);
}

function tx_xcibnews_toggle_categories(){
	var allselected = true;
	var tCategories = document.getElementsByName("tx_xcibnews_pi1[filter][categories][]");
	for(i=0; i<tCategories.length; i++){
		if(!tCategories[i].checked){
			allselected = false;
			break;
		}
	}
	$('tx_xcibnews_pi1_selectall_categories').setProperty('checked', allselected);
}