/*
Generic Form Validation.
tboland@gmail.com
http://www.techtoolblog.com
License: Free To Use, If Modified/Added
please send updated source to tboland@gmail.com
To Validate a Form Element Add the Custom Attribute:
validate="VALIDATEHOW"
Your Current Options Are:
"not_empty"
"integer"
"number" - decimal allowed
"email"
"phone" - includes international phone numbers
Multiple Validation uses the following syntax:
validate="not_empty|integer"
To Add a Message Add the Custom Attribute:
msg="Name is a required field"
By Default the Messages are shown next to the form element.
To Show Alert Boxes add a Custom Attribute in the form tag (show_alert):
ADVANCED USERS:
Add Your Own Function Calls to the validate attribute.
It Must return true or false
example:
*/
function Validate(objForm) {
var arrValidated=new Array();
for (var i=0; i 0))
message = arrMessages[j];
InsertError(element, message);
if ((typeof element.focus == "function")||(element.focus)) {
element.focus();
}
return false;
}
else
ClearError(element);
}
}
return true;
}
//Empty Validation
function ValidateNotEmpty(objElement) {
var strValue = GetElementValue(objElement);
var blnResult = true;
if(allTrim(strValue) == "") //check for nothing
{
blnResult = false;
}
return blnResult;
}
//Integer Validation
function ValidateInteger(objElement)
// check for valid numeric strings
{
var strString = GetElementValue(objElement);
var strValidChars = "0123456789";
var strChar;
var blnResult = true;
// test strString consists of valid characters listed above
for (i = 0; i < strString.length && blnResult == true; i++)
{
strChar = strString.charAt(i);
if (strValidChars.indexOf(strChar) == -1)
{
blnResult = false;
}
}
return blnResult;
}
//Number Validation
function ValidateNumber(objElement)
// check for valid numeric strings
{
var strString = GetElementValue(objElement);
var strValidChars = ".0123456789"; //decimal ok
var strChar;
var blnResult = true;
// test strString consists of valid characters listed above
for (i = 0; i < strString.length && blnResult == true; i++)
{
strChar = strString.charAt(i);
if (strValidChars.indexOf(strChar) == -1)
{
blnResult = false;
}
}
return blnResult;
}
//Email Validation
function ValidateEmail(objElement) {
// Will check for @, period after @ and text in between
var strValue = GetElementValue(objElement);
var in_space = strValue.indexOf(" ");
if (in_space != -1)
{ return false; }
var len = strValue.length;
var alpha = strValue.indexOf("@");
var last_alpha = strValue.lastIndexOf("@");
if (alpha != last_alpha)
{ return false; }
// No @, in first position, or name too short
if (alpha == -1 || alpha == 0 || len<6 )
{ return false; }
var last_p = strValue.lastIndexOf(".");
// Be sure period at least two spaces after @, but not last char.
if (last_p - alpha < 2 || last_p == (len - 1) )
{ return false; }
}
//Valid PhoneNumber
function ValidatePhone(objElement){
// 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 = 8;
var strValue = GetElementValue(objElement);
s=stripCharsInBag(strValue,validWorldPhoneChars);
return (ValidateInteger(s) && s.length >= minDigitsInIPhoneNumber);
}
function GetElementValue(objElement) {
var result="";
switch (objElement.type) {
case "text":
case "hidden":
case "textarea":
case "password":
result = objElement.value;
break;
case "select-one":
case "select":
if (objElement.selectedIndex >= 0)
result = objElement.options[objElement.selectedIndex].value;
break;
case "radio":
case "checkbox":
for (var i=0; i