function reverseString(s) {
	var result = ''; 
	for (var i=0; i<=s.length; i++) { 
		result = s.charAt(i) + result;
	} 
	return result;
}

function scramble(sender) {
	for(var i=0;i<sender.elements.length;i++) {		
		sender.elements[i].name = reverseString(sender.elements[i].name);		
	}
}