// Dynamicly populate event tracking 'category' based on the id attribute. var dynamicCategory = { init: function(){ // get page body id var category = $("body").attr("id"); // get target elements var targets = $("*[onClick*='_dynamicCategory']"); // swap out category for(i = 0, ii = targets.length; i < ii; i++){ // get current onClick value var trackingString = targets[i].getAttributeNode("onClick").nodeValue; var sliceEnd = trackingString.indexOf("_dynamicCategory"); var sliceIndex = trackingString.indexOf("', "); var slice1 = trackingString.slice(0, sliceEnd); var slice2 = trackingString.slice(sliceIndex, trackingString.length); // put it back together var trackingString = slice1 + category + slice2; targets[i].setAttribute("onclick", trackingString); //$(targets[i]).attr("onClick", trackingString); } } }; $(document).ready(dynamicCategory.init);