/**
* Localise Amazon links and widgets for visitors to your page.
* search for any AMAZON product links and replace with a referral link to the user's local Amazon site
* The idea is based on work done by Pete Williams, with my modifications to allow it to be used for
* widgets as well as links.
* @author Paul Leader
* @author Pete Williams
* @url http://petewilliams.info/blog/2009/07/javascript-amazon-associate-link-localiser/
*/
// these are the Pete Williams's affiliate IDs. They will only be used for localities you do not provide an ID for.
var arrAffiliatesSpares = {
'co.uk' : 'pcrev05',
'com' : 'petewill-20',
'de' : 'petewill05-21',
'fr' : 'petewill-21',
'ca' : 'petewill00-20',
'jp' : 'petewill-22'
}
// set your AFFILIATE IDs here. Leave blank any you do not have an account for.
var arrAffiliates = {
'co.uk' : 'figafo-21',
'com' : 'figafo-20',
'de' : 'figafo0f-21',
'fr' : '',
'ca' : 'figafo05-20',
'jp' : ''
}
var amazonTld = 'unknown';
var amazonAffiliate = arrAffiliates['com']; // Default to .com
var amazonADS_js;
var amazonASW_js;
/**
* Set up the variables used to build amazon links later in the page.
* This needs to be run in the page head as the variables will be used
* when setting up amazon widgets etc.
*/
function localiseAmazonVars() {
if ( typeof google != 'undefined' ) {
var strCountry = google.loader.ClientLocation.address.country_code;
} else {
alert('You need to add the following code to your section:\n');
return;
}
// get domain TLD from country code
switch ( strCountry ) {
case 'GB':
case 'IE':
amazonTld = 'co.uk';
break;
case 'AT':
amazonTld = 'de';
default:
// by default, TLD is lowercase of country code. if no associate, then use .com
amazonTld = ( arrAffiliates[strCountry.toLowerCase()] ? strCountry.toLowerCase() : 'com' );
break;
}
amazonAffiliate = arrAffiliates[ amazonTld ];
amazonADS_js = '';
amazonASW_js = '';
}
/**
* Identify our location.
* Run the rewrites at page load.
*/
function amazonSetup() {
localiseAmazonVars();
// initialise on page LOAD
if (window.addEventListener){
window.addEventListener('load',checkAmazonLinks,false); //W3C
} else{
window.attachEvent('onload',checkAmazonLinks); //IE
}
}
/**
* Rewrite simple tags linking to products
*/
function checkAmazonLinks() {
// set required VARIABLES
var objRegexAsin = new RegExp( '\/([A-Z0-9]{10})' );
// get all LINKS
var arrLinks = document.getElementsByTagName( 'a' );
// get appropriate aFFILIATE ID
strAffiliateId = ( arrAffiliates[amazonTld] ? arrAffiliates[amazonTld] : arrAffiliatesSpares[amazonTld] );
// LOOP through
for ( i=0; i 0) {
// find ASIN
var arrResults = objRegexAsin.exec( arrLinks[i].href );
if ( arrResults ) {
// REPLACE URI
var strAsin = arrResults[1];
arrLinks[i].href = 'http://www.amazon.' + amazonTld + '/exec/obidos/ASIN/' + strAsin + '/' + strAffiliateId;
}
}
}
}
function checkAmazonEmbeds() {
// set required VARIABLES
//http://rcm.amazon.com/e/cm?lt1=_blank&bc1=000000&IS2=1&bg1=FFFFFF&fc1=000000&lc1=0000FF&t=wififo08-20&o=1&p=8&l=as1&m=amazon&f=ifr&md=10FE9736YVPPT7A0FBG2&asins=B001KX504C
var objRegexAf = new RegExp( '&t=([a-zA-Z0-9\-]+)&' );
var objRegexAmTLD = new RegExp( '\.amazon\.(.+)\/');
// get all iFrames
var arrLinks = document.getElementsByTagName( 'iframe' );
// get appropriate aFFILIATE ID
strAffiliateId = ( arrAffiliates[amazonTld] ? arrAffiliates[amazonTld] : arrAffiliatesSpares[amazonTld] );
// LOOP through
for ( i=0; i 0) {
// find the affiliate.
var affResults = objRegexAf.exec( arrLinks[i].src );
var strAf = affResults[1];
// Find the CC
var ccResults = objRegexAmTLD.exec( arrLinks[i].src );
var strCC = ccResults[1];
if ( affResults && ccResults ) {
// REPLACE URI
url = url.replace(strAf, strAffiliateId);
url = url.replace( '.' + strCC, '.' + amazonTld + '/e');
}
arrLinks[i] = url;
}
}
}