function toggle(targetId) {
  	if(document.getElementById) {
  		target = document.getElementById(targetId);
  		if(target.style.display == "none") {
			target.style.display = "";
		} else {
			target.style.display = "none";
		}
	}
}

function changeSort(objSelect) {
	document.location = "index.php?sort="+objSelect.options[objSelect.selectedIndex].value;
}