function selform(format) {
	for (var i=0; i<numtools; i++) {
		document.getElementById(document.f.tool[i].value).disabled = true;
		document.getElementById("l-" + document.f.tool[i].value).style["color"] = "#CCCCCC";
		}
	for (var i=0; i<form[format].length; i++) {
		document.getElementById("l-" + form[format][i]).style["color"] = "black";			
		document.getElementById(form[format][i]).disabled = false;
		}
	for (var i=0; i<document.f.tool.length; i++) {
		if (document.f.tool[i].checked && document.f.tool[i].disabled ) {
			for (var j=0; j<numtools; j++) {
				if (!document.f.tool[j].disabled) {
					document.f.tool[j].click();
					break;
					}				
				}
			break;
			}
		}
	document.f.t.focus();
	}