// JavaScript Browser Sniffer
// Eric Krok, Andy King, Michel Plungjan Jan. 31, 2002
// see http://www.webreference.com/tools/browser/javascript.html for more information
// convert all characters to lowercase to simplify comparisons
var agt = navigator.userAgent.toLowerCase();
var appVer = navigator.appVersion.toLowerCase();
// *** BROWSER & VERSION ****
var is_minor = parseFloat(appVer);
var is_major = parseInt(is_minor);
var is_ie = (agt.indexOf("msie") != -1);
var is_ie5up = (is_ie && (!(is_ie && (is_major < 4))) && (!(is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) )));
var is_nav = (agt.indexOf('mozilla')!=-1);
var is_nav6up = (is_nav && (is_major >= 5));
var is_gecko = (agt.indexOf('gecko') != -1);
// Note: On IE, start of appVersion return 3 or 4 which supposedly is the version of Netscape it is compatible with.
// So we look for the real version further on in the string
var iePos = appVer.indexOf('msie');
if (iePos !=-1) {
is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)))
is_major = parseInt(is_minor);
}
// *** DOM SUPPORT ***
var is_all = (document.all) ? true :false; //definitve for ie
var is_layers = (document.layers) ? true :false; //definitive for old Netscape
var is_getElementById = (document.getElementById) ? true :false; //return ref to a unique page element
var is_getElementsByName = (document.getElementsByName) ? true :false; //return array of ALL elems having same name
var is_getElementsByTagName = (document.getElementsByTagName) ? true :false; //return array of child tags on selected node
var is_documentElement = (document.documentElement) ? true :false; //return ref to XML/HTML doc root node
var is_documentBody = (document.body) ? true :false; //return ref to HTML tag
var is_option = (window.Option) ? true :false; //javascript 1.0 did not support form Select Options
// *** FEATURE SUPPORT ***
var is_anchors = (document.anchors)? true :false;
var is_regexp = (window.RegExp) ? true :false;
var is_images = (document.images) ? true :false;
var is_forms = (document.forms) ? true :false;
var is_links = (document.links) ? true :false;
var is_frames = (window.frames) ? true :false;
var is_screen = (window.screen) ? true :false;
var is_cookie = (document.cookie) ? true :false;
// *** JAVA ***
var is_java = (navigator.javaEnabled());
// If you can see this you are using Javascript, ECMAScript or proprietory Microsoft JScript and there is little value therefore
// checking for javascript suppport. We will test for javascript versions but remember that MS Jscript version numbering has little
//relationship to either javascript or ecmascript:
var is_js = true;
// NOTE: In the future, update this code when newer versions of JS
// are released. For now, we try to provide some upward compatibility
// so that future versions of Nav and IE will show they are at
// *least* JS 1.x capable. Always check for JS version compatibility
// with > or >=.
if (is_nav || is_ie3){
is_js = 1.0;
} else if (is_nav){
is_js = 1.1;
} else if ((is_nav4 && (is_minor > 4.05)) || is_ie5up){
is_js = 1.3;
}else if (is_nav6up || is_gecko){
is_js = 1.5;
} else {
is_js = 2.0;
}
/*
Purpose : Generic Forms validator
Algorithm: i) determine which fields are required, optional or neither
ii) for non-blank required/optional fields validate for data-type
iii)for required option-groups validate the selected/checked
Validation for special values relates to business rules and should be implemented separately,
eg. function Validation(oForm){if (genericValidator(oForm) && specificBusinessRules(oForm)) {...}
Usage :
1. insert this into document HEAD
2. insert 'required' or 'optional' attribute as necessary (can be done in code too) e.g.
Location of carts :
3. DELETE existing form "onsubmit=..." AND
4. REPLACE 'paintRequired();
function paintRequired() {
var sRequired = "";
document.write(sRequired);
}
//Purpose: Paint an 'Optional' flag in forms
//USEAGE:
function paintOptional() {
var sOptional = "Optional";
document.write(sOptional);
}
// Test for missing data
function IsBlank(sValue) {
switch(sValue) {
case NaN:
case "???":
case null:
case 'Null':
case "undefined":
return true;
default:
//: \S Matches a character other than white space -- equivalent to [^ \f\n\r\t\v]
var regBlank = /\S/i;
}
return !regBlank.test(sValue);
}
{
function isEmail(str) {
return ((str != "") && (str.indexOf("@") != -1) && (str.indexOf(".") != -1));}
function validateForm(form) {
if(document.feedback.mail_subject.value.length < 1) {
alert("Please enter your subject");
document.feedback.mail_subject.focus();
return false;
}
if(document.feedback.message.value.length < 1) {
alert("Please enter your message");
document.feedback.message.focus();
return false;
}
if(document.feedback.name.value.length < 1) {
alert("Please enter your name");
document.feedback.name.focus();
return false;
}
if( !isEmail(document.feedback.email.value) ){
alert("Please enter a valid e-mail address");
document.feedback.email.focus();
return false;
}
if( !isEmail(document.feedback.emailconfirm.value) ){
alert("Please enter a valid e-mail address");
document.feedback.emailconfirm.focus();
return false;
}
if ( document.feedback.emailconfirm.value != document.feedback.email.value){
alert("Your E-mail addresses do not match");
document.feedback.email.focus();
return false;
}
}
}
//
var str = location.search;
var parsedStr = str.split("referrer=");
var val = unescape(parsedStr[1]);
if(val == "undefined" || val == ""){
val=document.referrer;
}
//alert(val);
document.write("");
//
";
document.write(sRequired);
}
//Purpose: Paint an 'Optional' flag in forms
//USEAGE:
function paintOptional() {
var sOptional = "Optional";
document.write(sOptional);
}
// Test for missing data
function IsBlank(sValue) {
switch(sValue) {
case NaN:
case "???":
case null:
case 'Null':
case "undefined":
return true;
default:
//: \S Matches a character other than white space -- equivalent to [^ \f\n\r\t\v]
var regBlank = /\S/i;
}
return !regBlank.test(sValue);
}
{
function isEmail(str) {
return ((str != "") && (str.indexOf("@") != -1) && (str.indexOf(".") != -1));}
function validateForm(form) {
if(document.feedback.mail_subject.value.length < 1) {
alert("Please enter your subject");
document.feedback.mail_subject.focus();
return false;
}
if(document.feedback.message.value.length < 1) {
alert("Please enter your message");
document.feedback.message.focus();
return false;
}
if(document.feedback.name.value.length < 1) {
alert("Please enter your name");
document.feedback.name.focus();
return false;
}
if( !isEmail(document.feedback.email.value) ){
alert("Please enter a valid e-mail address");
document.feedback.email.focus();
return false;
}
if( !isEmail(document.feedback.emailconfirm.value) ){
alert("Please enter a valid e-mail address");
document.feedback.emailconfirm.focus();
return false;
}
if ( document.feedback.emailconfirm.value != document.feedback.email.value){
alert("Your E-mail addresses do not match");
document.feedback.email.focus();
return false;
}
}
}
//
var str = location.search;
var parsedStr = str.split("referrer=");
var val = unescape(parsedStr[1]);
if(val == "undefined" || val == ""){
val=document.referrer;
}
//alert(val);
document.write("");
//