//function checkValues() {

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 9;

function isInteger(s) {   
	var i;

	if (s.length != 10) return false;
	
	for (i = 0; i < s.length; i++) {   
	  // Check that current character is number.
    var c = s.charAt(i);
		if (((c < "0") || (c > "9"))) return false;
  }
  
	// All characters are numbers.
  return true;
}

function stripCharsInBag(s, bag) {   
	var i;
  var returnString = "";
  
	// Search through string's characters one by one.
  // If character is not in bag, append to returnString.
  for (i = 0; i < s.length; i++) {   
		// Check that current character isn't whitespace.
    var c = s.charAt(i);
    if (bag.indexOf(c) == -1) returnString += c;
  }
  
	return returnString;
}

function checkInternationalPhone(strPhone){
	s=stripCharsInBag(strPhone,validWorldPhoneChars);
	return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function checkValues(){
	var Phone=document.sales.phone

	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter a Phone Number.")
		Phone.focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number.")
		Phone.value=""
		Phone.focus()
		return false
	}
	if (!checkAlphanum(document.sales.comments.value)) {
		alert('Please enter only Alphanumeric and the following special characters: .,?!_()');
		document.sales.comments.focus();
		return false;

		function checkAlphanum(strObject) {
			/* Returns true if the field has all alphanumeric characters, false if not.
			You must pass in a input (text) object, not the value. */
			var re = /^[0-9A-Za-z\s.,!?_()]+$/;
			return re.test(strObject);
		}
	}

	if (document.sales.show_email.value == 1) {
		error = 0;
	
		if (document.sales.email.value == "") {
			error = 1;
		}
		else {
			if (!test(document.sales.email.value)) { 
				error = 1;
			}
		}
	
		if (error == 1) {
			document.sales.email.focus();
			document.sales.email.select();
			alert ("Email format is invalid.");
		}
		else {
			document.sales.submit();
		}
	
		function test(src) {
			var regex = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
			return regex.test(src);
		}
	}
	else {
		document.sales.submit();
	}
}

function checkENewsValues(){
	if ((document.enews.full_name.value==null)||(document.enews.full_name.value=="")){
		alert("Please Enter your name.")
		document.enews.full_name.focus()
		return false
	}

if (document.enews.show_email.value == 1) {
		error = 0;
	
		if (document.enews.email.value == "") {
			error = 1;
		}
		else {
			if (!testenews(document.enews.email.value)) { 
				error = 1;
			}
		}
	
		if (error == 1) {
			document.enews.email.focus();
			document.enews.email.select();
			alert ("Email format is invalid.");
		}
		else {
			document.enews.submit();
		}
	
		function testenews(src) {
			var regex = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
			return regex.test(src);
		}
	}
	else {
		document.enews.submit();
	}
}