add: pageData[tag][slot].id = slot; 
context: function setPageData(pageData, tag, slot, value) {    if (!pageData[tag]) pageData[tag] = [];    if (value == undefined) {        // clear out this slot        if (pageData[tag][slot]) delete pageData[tag][slot];    } else {        // pre-fill this slot        if (!pageData[tag][slot]) pageData[tag][slot] = [];        pageData[tag][slot].value = value;    }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f08398363c7a8c18a645af269c4c5f2dc3a9eaad/AccountWizard.js/buggy/mailnews/base/prefs/resources/content/AccountWizard.js