/*
	* 03/02/2007 20:13pm
	* js/fr/page161.js
*/
var uriBase = document.getElementById('urlIdentifier').content;


function testAlexaGraphique (tpe,taille,sw,swl) {

	/* addresse du webservice sur le serveur */  
  uri = uriBase+'ajax/fr/page161.php';
  
  if (tpe == "g") {
  	
		new Ajax.Updater ("test_0",uri, { 
			parameters : 'typeWidget='+tpe+'&tailleWidget='+taille+'&siteWeb='+sw+'&siteWebListe='+swl ,
			method : 'post'  , evalScripts : false
			//onComplete : function (x) { $('test_0').innerHTML = x.responseText; }
			} 
		);
	}
	else testAlexaWidget (tpe,taille,sw,swl);

}


function testAlexaWidget (tpe,taille,sw,swl) {
	
	uri = uriBase+'ajax/fr/page161.php';
	new Ajax.Request (uri, { 
		parameters : 'typeWidget='+tpe+'&tailleWidget='+taille+'&siteWeb='+sw+'&siteWebListe='+swl ,
		method : 'post'  , evalScripts : true,
		onComplete : function (x) { //alert(x.responseText); 
				$('test_0').innerHTML = x.responseText;
				new AlexaSiteStatsWidget().replaceScripts();
			}
		} 
	);
	
}

function AlexaSiteStatsWidget(){
    var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
    var jsUrlRegex = /http:\/\/xslt.alexa.com\/site_stats\/js\/(.)\/(.).*(?:[\?&]|&)url=([^\?&]*)/i;
    var jsAmznIdRegex = /http:\/\/xslt.alexa.com\/site_stats\/js\/.*[\?&]amzn_id=([^\?&]*)/i;
    var imageSrcPrefix = "http://xsltcache.alexa.com/site_stats/gif/";
    var detailURLPrefix = "http://www.alexa.com/data/details/main";

    this.replaceScripts = function replaceScripts(){
        //var scriptElements = document.getElementsByTagName("script");
        //var thisScript = scriptElements[scriptElements.length - 1];
        //var scriptSource = thisScript.src;
        var thisScript = $('alexaSpec');
        var scriptSource = $('alexaSpec').src;
        
        if(scriptSource != null){
            var urlMatched = scriptSource.match(jsUrlRegex);
            if(urlMatched != null){
                var associatedMatched = scriptSource.match(jsAmznIdRegex);
                var base64EncodedURL = encode64(urlMatched[3]);
                var imageURL = imageSrcPrefix + urlMatched[1] + "/" + urlMatched[2] + "/" +
                           base64EncodedURL + "/s.gif";
                var img = new Image();
                var fullURL = getFullURL(urlMatched[3]);
                img.src = imageURL;
                img.setAttribute('border', '0');
                if(urlMatched[1] == "s")
                    img.alt = "Alexa Certified Traffic Ranking for " + urlMatched[3];
                else
                    img.alt = "Alexa Certified Site Stats for " + urlMatched[3];
                var newLink=document.createElement('a');
                var detailURL = detailURLPrefix;
                if(associatedMatched != null)
                    detailURL = detailURL + "?amzn_id=" + associatedMatched[1] + "&url=" + fullURL;
                else
                    detailURL = detailURL + "?url=" + fullURL;
                newLink.setAttribute('href', detailURL);
                newLink.className='AlexaSiteStatsWidget';
                newLink.appendChild(img);
                thisScript.parentNode.insertBefore(newLink,thisScript);
            }
        }
    }
   
    function getFullURL(inputURL){
        if(inputURL.substring(0,5).toLowerCase() != "http:")
            return "http://" + inputURL;
        else return inputURL; 
    }

    function encode64(input) {
       var output = "";
       var chr1, chr2, chr3;
       var enc1, enc2, enc3, enc4;
       var i = 0;

       do {
          chr1 = input.charCodeAt(i++);
          chr2 = input.charCodeAt(i++);
          chr3 = input.charCodeAt(i++);

          enc1 = chr1 >> 2;
          enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
          enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
          enc4 = chr3 & 63;

          if (isNaN(chr2)) {
             enc3 = enc4 = 64;
          } else if (isNaN(chr3)) {
             enc4 = 64;
          }

          output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + 
          keyStr.charAt(enc3) + keyStr.charAt(enc4);
       } while (i < input.length);
       
       return output;
    }
}