function showHide(anID) {
	if (document.getElementById) {
		if (document.getElementById(anID).style.display == "block") document.getElementById(anID).style.display = "none";
		else document.getElementById(anID).style.display = "block";
	} else if (document.all) {
		if (document.all[anID].style.display == "block") document.all[anID].style.display = "none";
		else document.all[anID].style.display = "block";
	}
}