function enableSpecialOptions(inp) {
	var tbl = document.getElementById(inp.id.replace(/^pit-cb-/,""));
	if (tbl != null) {
		var slcts = tbl.getElementsByTagName('select');
		var inpts = tbl.getElementsByTagName('input');
		if (inp.checked) {
			for (var i=0; i<slcts.length; i++) {
				slcts[i].disabled = false;	
			}
			for (var i=0; i<inpts.length; i++) {
				inpts[i].disabled = false;	
			}
		} else {
			for (var i=0; i<slcts.length; i++) {
				slcts[i].disabled = true;	
			}
			for (var i=0; i<inpts.length; i++) {
				inpts[i].disabled = true;	
			}
		}
	}
}

function enableExclusiveOptions(inp) {
	var tbl = document.getElementById(inp.id.replace(/^ex-cb-/,""));
	if (tbl != null) {
		var slcts = tbl.getElementsByTagName('select');
		var inpts = tbl.getElementsByTagName('input');
		if (inp.checked) {
			for (var i=0; i<slcts.length; i++) {
				slcts[i].disabled = false;	
			}
			for (var i=0; i<inpts.length; i++) {
				inpts[i].disabled = false;	
			}
		} else {
			for (var i=0; i<slcts.length; i++) {
				slcts[i].disabled = true;	
			}
			for (var i=0; i<inpts.length; i++) {
				inpts[i].disabled = true;	
			}
		}
	}
}