rem: lis = ul.getElementsByTagName('LI'); 
add: lis = ul.getElementsByTagName('li'); 
context: function uncoversection() {    oldsecid = this.parentNode.parentNode.selectedid;    newsec = document.getElementById(this.secid);    if(oldsecid != this.secid) {        ul = document.getElementById('preftoc');        document.getElementById(oldsecid).style.display = 'none';        newsec.style.display = 'block';        ul.selectedid = this.secid;        lis = ul.getElementsByTagName('LI');        for(i=0;i< lis.length;i++) {            lis[i].className = '';        }        this.parentNode.className = 'selected';    }    return false;}
meta: 7642	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7642/a473d6ec1a46d0ad3a728b112431ebfde164928c/wikibits.js/buggy/skins/common/wikibits.js