function sethelp(text) {
	var help = document.getElementById("helpbox");
	help.innerHTML = "<img src=\"siteimages/help.gif\" alt=\"Help\">" + text;
}
function clearhelp() {
	var help = document.getElementById("helpbox");
	help.innerHTML = "<img src=\"siteimages/help.gif\" alt=\"Help\">Click on one of the blue information symbols to get help.";
}