// JavaScript Document

/*
 Function Name: checkLength
 Arguments: text,min?,max?
 Returns:
  false if text has fewer than min characters
  false if text has more than max characters
  true otherwise
*/
function checkLength(text, min, max){
 min = min || 1;
 max = max || 10000;

 if (text.length < min || text.length > max) {
  return false;
 }
 return true;
}

/*
 Function Name: compareValues
 Arguments: val1, val2
 Returns:
  0 if two values are equal
  -1 if val1 is greater than val2
  1 if val2 is greater than val1
*/
function compareValues(val1, val2){
 if (val1 > val2) {
  return -1;
 } else if(val2 > val1) {
  return 1;
 } else {
  return 0;
 }
}

/*
 Function Name: checkEmail
 Arguments: email
 Returns:
  false if email has fewer than 6 characters
  false if email does not contain @ symbol
  false if email does not contain a period (.)
  true otherwise
*/
function checkEmail(Email){
 if (!checkLength(Email, 6)) {
  return false;
 } else if (Email.indexOf("@") == -1) {
  return false;
 } else if (Email.indexOf(".") == -1) {
  return false;
 }
 /* THIS LAST ELSE IF FROM CHALLENGE */
 else if (Email.lastIndexOf(".") < Email.lastIndexOf("@")) {
  return false;
 }
 return true;
}