// Set Global Variables
var theSpaces = / /g;
var theChars = /\D/g;
var theNums = /\d/g;

// Check Zip
function checkZip(theField) {
	theField.value = theField.value.replace(theChars, "");
var theLength = theField.value.length;
var theDash = theField.value.indexOf("-");
if (theLength == 5) {
	return true;
	}
if (theLength == 9) {
	var Part1 = theField.value.substr(0,5);
	var Part2 = theField.value.substr(5,4);
	theField.value = Part1 + "-" + Part2;
	return true;
	}
}

// Check Phone
function checkPhone(theField) {
	theField.value = theField.value.replace(theChars, "");
if (!isNaN(theField.value) && theField.value.length == 10) {
	var Part1 = theField.value.substr(0,3);
	var Part2 = theField.value.substr(3,3);
	var Part3 = theField.value.substr(6,4);
	theField.value = Part1 + "-" + Part2 + "-" + Part3;
	return true;
	}
}

// Check Email
function checkEmail(theField) {
var theLength = theField.value.length;
var theAt = theField.value.indexOf("@");
var thePeriod = theField.value.lastIndexOf(".");
if (!(theLength < 8 || theAt < 2 || (thePeriod > theLength - 3 || thePeriod < theLength - 5) || theAt > thePeriod - 3)) {
	return true;
	}
}