function iTunesRewrite(nodes, url, promoName) { if (!nodes || typeof(nodes) == 'undefined') { return; } if (!url) { url = '/itunes/overview/'; } if (nodes.href) { nodes = [nodes]; } promoName = promoName ? '' : 'American Idol Promo'; //TODO need more generic default eventually var iTunesAvailable = iTunesDetected(); var trackPromo = function(evt, promoName, iTunes) { var detected = iTunes ? '' : ' - No iTunes'; var title = promoName + ' - ' + document.title + detected; AC.Tracking.trackClick({prop3: title}, this, 'o', title); } for (var i = nodes.length - 1; i >= 0; i--){ var node = $(nodes[i]); node.observe('mousedown', trackPromo.bindAsEventListener(this, promoName, iTunesAvailable)); if (!iTunesAvailable) { node.href = url } } }