/**
 * Search for any AMAZON product links and replace with a referral link to the visitor's local Amazon site
 * @author Pete Williams
 * @url http://petewilliams.info/blog/2009/07/javascript-amazon-associate-link-localiser/
 * @version 1.7b
 */
 
/* ENTER YOUR AFFILIATE IDs BELOW - You can leave any blank that you don't have accounts for */
var arrAffiliates = {
	'co.uk': 'uk-gfarm-21',
	'com'	: 'us-gfarm-20',
	'ca'	: 'ca-gfarm-20',	
	'de'	: 'de-gfarm-21',
	'fr'	: 'fr-gfarm-21',	
	'es'	: 'es-gfarm-21',
	'it'	: 'it-gfarm-21',
	'jp'	: 'jp-gfarm-22',
	'co.jp'	: 'jp-gfarm-22',
	'cn'	: 'cn-gfarm-23'
	
};

// OPTIONAL - if your PHP file is in the same directory as the current page, then leave this as it is. Otherwise insert the path to the file here
var strUrlAjax = 'amazon-localiser.php';

/* DO NOT EDIT ANYTHING BELOW THIS LINE */
var arrLinksToCheck=[];var strTld;var strAffiliateId;function linkAmazon(objLink,strAsin){this.arrLinkObjects=new Array(objLink);if(strAsin){this.strAsin=strAsin}this.affiliateLink=function(){for(intLink=0;intLink<this.arrLinkObjects.length;intLink++){this.arrLinkObjects[intLink].href="http://www.amazon."+this.getActualTld()+"/exec/obidos/ASIN/"+this.strAsin+"/"+getAffiliateId(arrTldActual[1])}};this.searchLink=function(){var objRegexTitle=new RegExp("amazon.[a-zA-Z.]{2,5}/([A-Za-z-]*)/dp");arrResult=objRegexTitle.exec(this.arrLinkObjects[0].href);if(arrResult){strTitle=arrResult[1].replace(/-/g,"%20");this.writeSearchLink(strTitle)}else{strUrlProduct=strUrlAjax+"?strAction=search&strLink="+this.arrLinkObjects[0].href;objScript=document.createElement("script");objScript.src=strUrlProduct;document.getElementsByTagName("head")[0].appendChild(objScript)}};this.addLink=function(objLink){this.arrLinkObjects.push(objLink)};this.writeSearchLink=function(strTitle){for(intSearchLink=0;intSearchLink<this.arrLinkObjects.length;intSearchLink++){this.arrLinkObjects[intSearchLink].href="http://www.amazon."+strTld+"/s?keywords="+strTitle+"&tag="+strAffiliateId}};this.getAffiliateUrl=function(){return"http://www.amazon."+strTld+"/exec/obidos/ASIN/"+this.strAsin+"/"+strAffiliateId};this.localiseLink=function(){for(i=0;i<this.arrLinkObjects.length;i++){this.arrLinkObjects[i].href=this.getAffiliateUrl()}};this.getActualTld=function(){var c=new RegExp("amazon.(.*?)/");arrTldActual=c.exec(this.arrLinkObjects[0].href);return arrTldActual[1]}}function findLocation(){if(typeof google!="undefined"&&google.loader.ClientLocation!=null){var strCountry=google.loader.ClientLocation.address.country_code;checkAmazonLinks(strCountry)}else{objScript=document.createElement("script");objScript.src="http://freegeoip.net/json/?callback=checkAmazonLinks";document.getElementsByTagName("head")[0].appendChild(objScript)}}function checkAmazonLinks(strCountry){var objRegexAsin=new RegExp("/([A-Z0-9]{10})");if(strCountry){if(typeof strCountry.country_code!="undefined"){strCountry=strCountry.country_code}switch(strCountry){case'GB':case'IE':strTld='co.uk';break;case'AT':strTld='de';break;case'PT':strTld='es';break;default:strTld=(arrAffiliates[strCountry.toLowerCase()]?strCountry.toLowerCase():'com');break}strAffiliateId=getAffiliateId(strTld)}var arrLinks=document.getElementsByTagName("a");for(i=0,j=arrLinks.length;i<j;i++){var intIndex=arrLinks[i].href.toLowerCase().indexOf("amazon.");if(intIndex>0&&intIndex<arrLinks[i].href.substring(8).indexOf("/")+8&&arrLinks[i].href.indexOf("/review/")<0){var arrResults=objRegexAsin.exec(arrLinks[i].href);if(arrResults){if(typeof(arrLinksToCheck[arrResults[1]])=="undefined"){objLink=new linkAmazon(arrLinks[i],arrResults[1]);if(strTld&&strTld==objLink.getActualTld()){objLink.affiliateLink()}else{arrLinksToCheck[arrResults[1]]=objLink}}else{arrLinksToCheck[arrResults[1]].addLink(arrLinks[i])}}else{var intPreTag=arrLinks[i].href.indexOf("tag=");if(!strTld){objLink=new linkAmazon(arrLinks[i]);strTldChecked=objLink.getActualTld()}else{strTldChecked=strTld}if(intPreTag>0){intPreTag+=4;var intPostTag=arrLinks[i].href.substring(intPreTag).indexOf("&");if(intPostTag<0){intPostTag=arrLinks[i].href.length-intPreTag}arrLinks[i].href=arrLinks[i].href.substring(0,intPreTag)+getAffiliateId(strTldChecked)+arrLinks[i].href.substring((intPostTag+intPreTag));intPath=arrLinks[i].href.indexOf("/",arrLinks[i].href.indexOf("amazon"));arrLinks[i].href="http://www.amazon."+strTldChecked+arrLinks[i].href.substring(intPath)}else{intPath=arrLinks[i].href.indexOf("/",arrLinks[i].href.indexOf("amazon"));arrLinks[i].href=arrLinks[i].href.substring(0,arrLinks[i].href.indexOf("amazon."))+"amazon."+strTldChecked+arrLinks[i].href.substring(intPath)+(arrLinks[i].href.indexOf("?")>0?"&":"?")+"tag="+getAffiliateId(strTldChecked)}}}}if(strTld){var strLinksToCheck="";for(strKey in arrLinksToCheck){if(typeof arrLinksToCheck[strKey].strAsin!="undefined"){strLinksToCheck+=arrLinksToCheck[strKey].strAsin+"|"}}if(strLinksToCheck.length){var strUrlAjaxLinks=strUrlAjax+"?strTld="+strTld+"&strAffiliateId="+strAffiliateId+"&strLinks="+strLinksToCheck;strUrlAjaxLinks=strUrlAjaxLinks.substring(0,strUrlAjaxLinks.length-1);objScript=document.createElement("script");objScript.src=strUrlAjaxLinks;document.getElementsByTagName("head")[0].appendChild(objScript)}}}function getAffiliateId(strTLD){return(arrAffiliates[strTLD]?arrAffiliates[strTLD]:arrAffiliatesSpares[strTLD])}if(window.addEventListener){window.addEventListener("load",findLocation,false)}else{window.attachEvent("onload",findLocation)}var arrAffiliatesSpares={'co.uk':'pcrev05','com':'petewill-20','de':'petewill05-21','fr':'petewill-21','ca':'petewill00-20','co.jp':'petewill-22','jp':'petewill-22','it':'petewill04-21','cn':'petewill-23','es':'petewill0d4-21'};