rem: if(gTotalSearchTerms==1) document.getElementById("less0").setAttribute("disabled", "true"); else if (gTotalSearchTerms == 2) document.getElementById("less0").removeAttribute("disabled"); 
add: updateRemoveRowButton(); 
context: function onMore(event, rowNumber){    createSearchRow(rowNumber, gSearchScope, null);    gTotalSearchTerms++;    if(gTotalSearchTerms==1)        document.getElementById("less0").setAttribute("disabled", "true");    else if (gTotalSearchTerms == 2)        document.getElementById("less0").removeAttribute("disabled");    // the user just added a term, so scroll to it    scrollToLastSearchTerm(gTotalSearchTerms == 1 ? 0 : rowNumber + 1);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/cfa5ee3d500ca29c24df2800a566e9d3be296aec/searchTermOverlay.js/buggy/mailnews/base/search/resources/content/searchTermOverlay.js