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var analyticsTag = '/asclick';
// init adsense click tracking after docuement load...
attachOnloadEvent(adsenseTrackerInit);
// helper global variables
var adsenseTrackerActive = false;
var adsenseTrackerUnit = '';
// prefixes and suffixes language filter array
var lngFilter = Array('go to','View ads about','gehe zu','Afficher la page','Afficher des annonces sur','Anzeigen über',
'gaan na','|ma Ja','war-du','vs a','Jdi na','Zobrazit reklamy na téma','ewch i','g til','Se annoncer om','iru al','ir a',
'Ver anuncios sobre','liigu edasi aadressile','bisitatu','mene osoitteeseen','Tarkastele mainoksia aiheesta','far til',
'gean nei','tigh chuig','rach gu','Jeho ko\'pe:','idemo na','Ugrs:','vade a','fara','visita','Visualizza annunci su',
'Ayo menyang','ire ad','kumbama na','eiti','Dodieties uz','|- ilekku povuka','pergi ke','mur sa','ga naar',
'Bekijk advertenties over','g til','Se annonser om','anar a','|ku jAntu','przejd do','Pokarz reklamy o','ir para',
'Ver anúncios sobre','riy|man','va a','du-te la','posjeti','|yanna','prejdi na','Zobraziť reklamy s témou','pojdi na',
'endai ku','Aad','shko n','e ya ho','lebet ka','g till','Se annonser om','nenda','|a git','pumunta sa','\'alu ki he',
'|adresine git','Şu konuyla ilgili reklamları görüntüle:','ko','|ga boring','yiya kwi','lo si','iya ku','A(z)|témával kapcsolatos hirdetések megtekintése',
'|&#2965;&#3021;&#2965;&#3009;&#2970;&#3021; &#2970;&#3014;&#2994;&#3021;&#2994;&#2997;&#3009;&#2990;&#3021;',
'|&#3093;&#3135; &#3125;&#3142;&#3123;&#3149;&#3123;&#3074;&#3105;&#3135;','&#6033;&#6085;&#6016;&#6070;&#6035;&#6091;',
'|&#1576;&#1585;&#1734; &#1576;&#1734;','v&#224;o trang','|ünvanına keç','küçü:','Andate versu à','ба|рафтан','Просмотреть рекламу по теме',
'|адресіне бару','Εμφάνιση διαφημίσεων σχετικά με','|에 대한 광고 보기','गच्छ|प्रति','მოინახულე','դեպի','ໄປຫາ','|の広告検索','|मा जानुहोस्','|ला जा');

// filter phrase with lngFilter
function filterPhrase(phrase) {
    var suprefixes, filterhit;
    
    phrase = phrase.replace(/^\s+|\s+$/g, '');
    if (phrase != '') {
        for(var i=0; i<lngFilter.length; i++) {
            suprefixes = lngFilter[i].split('|');
            // check prefix
            if (suprefixes[0].length > 0 && phrase.substring(0, suprefixes[0].length) == suprefixes[0]) {
                phrase = phrase.substring(suprefixes[0].length);
                filterhit = true;
            }
            // check suffix
            if (suprefixes.length > 1 && suprefixes[1].length > 0 && phrase.substring(phrase.length - suprefixes[1].length) == suprefixes[1]) {
                phrase = phrase.substring(0, phrase.length - suprefixes[1].length);
                filterhit = true;
            }    
            if (filterhit) {
                phrase = phrase.replace(/^\s+|\s+$/g, '');
                break;
            }        
        }
    }
    return phrase;
}
function adsenseTrackerInit() {
	var pageHasAdsense = false;
	var el = document.getElementsByTagName("iframe");	
	for (var i=0; i<el.length; i++) {
		if (el[i].src.indexOf('googlesyndication.com') > -1) {
			pageHasAdsense = true;

			el[i].onmouseover = adsenseTrackerActivate;
			el[i].onmouseout = adsenseTrackerDeActivate;
		}
	}
	if (pageHasAdsense) {
		if (typeof window.attachEvent != 'undefined') {		
			window.attachEvent('onbeforeunload', adsenseTrackerCheckClick);
		} else if (typeof window.addEventListener != 'undefined') {			
			window.addEventListener('beforeunload', adsenseTrackerCheckClick, false);
		}
	}
}
function adsenseTrackerCheckClick() {
	if (adsenseTrackerActive) {
		var reportedUrl = analyticsTag;
		if (adsenseTrackerUnit != '') {
			reportedUrl += '/'+ escape(adsenseTrackerUnit);
			}	
		if (window.status) {
		    var adsenseClickedAd = filterPhrase(window.status);
			if (adsenseClickedAd != '') {
			    reportedUrl += '/'+ escape(adsenseClickedAd);
			}
		}		
		reportToGoogleAnalytics(reportedUrl);
	}
}
function adsenseTrackerActivate() {
	adsenseTrackerUnit = '';
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		if (this.parentNode.id.substring(0, 4) == 'asc_') {
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	if (adsenseTrackerUnit == '') {		
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		var startIndex = url.indexOf('format=');
		if (startIndex >= 0) {
			var lastIndex = url.indexOf('&', startIndex);
			adsenseTrackerUnit = lastIndex >= 0 ? url.substring(startIndex + 7, lastIndex) : url.substring(startIndex + 7);
		}
	}
	adsenseTrackerActive = true;
}
function adsenseTrackerDeActivate() {
	adsenseTrackerUnit = '';
	adsenseTrackerActive = false;
}

function reportToGoogleAnalytics(reportedUrl) {
	if (typeof urchinTracker == 'function') 
		{
		urchinTracker(reportedUrl);
	    }
	 if(typeof pageTracker =='object');
	   {
         pageTracker._trackPageview(reportedUrl);
	   }
	}


function attachOnloadEvent(func) {
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		window.attachEvent('onload', func);
	} else {
		if (typeof window.onload == 'function') {
			var oldonload = onload;
			window.onload = function() {
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		} else {
				window.onload = func;
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}