function help(id) {
	if(document.getElementById && document.getElementById(id)) {
		if(document.getElementById(id).style.display == 'block') {
			document.getElementById(id).style.display = 'none';
		} else { 
			document.getElementById(id).style.display = 'block';
		}
	}
}

function enable(id) {
	if(document.getElementById) {
	  var obj = document.getElementById(id);
		if(obj.disabled == false) {
			obj.disabled = true;
		} else {
			obj.disabled = false;
			obj.focus();
			obj.select();
		}
	}	
}

function autoTab(id,destination) {
	if(id.getAttribute && id.value.length == id.getAttribute("maxlength")) {
		var dest = document.getElementById(destination);
		dest.focus();
		dest.select();
	}
}