function toggle(id, value) { 
	if (document.getElementById(id).style.display == value) {
		document.getElementById(id).style.display = 'none';
	} else {
		document.getElementById(id).style.display = value; 
	}
}

function show_drop(id) {
	id = 'sub' + document.search.category.selectedIndex ;
	if (recentSub == 'sub0') { recentSub = 0 ; }
	if (recentSub != 0) {
		document.getElementById(recentSub).style.display = 'none';
		document.getElementById(recentSub).value = 'none';
	}
	recentSub = 'sub' + document.search.category.selectedIndex ;
	document.getElementById(id).style.display = 'block';

}
function changeURL() {
	var redirect;
	redirect = document.getElementById('goToPage').value;
	document.location.href = redirect;
}