// From here: http://www.java2s.com/Code/JavaScript/Form-Control/Jumptothenextfield.htm 
function toUnicode(elmnt, content) {
	if (content.length == elmnt.maxLength) {
		next = elmnt.tabIndex;
		if (next < document.forms['form'].elements.length) {
			document.forms['form'].elements[next].focus();
		}
		return true;
	} else {
		return false;
	}
}

function moveOnMax(field,nextFieldID){
  if(field.value.length >= field.maxLength){
    document.getElementById(nextFieldID).focus();
  }
}