rem: if (browserEnableHTTP11.selected && browserEnableKeepAlive.checked) { browserEnablePipelining.removeAttribute("disabled"); } else { browserEnablePipelining.setAttribute("disabled", "true"); browserEnablePipelining.setAttribute("checked", "false"); } 
add: var doDisable = !(enableHTTP11.selected && enableKeepAlive.checked); enablePipelining.disabled = doDisable; if (doDisable) enablePipelining.checked = false; 
context: function checkPipelining(){  try {    var browserEnableHTTP11 = document.getElementById("httpVersion11");    var browserEnableKeepAlive = document.getElementById("browserEnableKeepAlive");    var browserEnablePipelining = document.getElementById("browserEnablePipelining");    if (browserEnableHTTP11.selected && browserEnableKeepAlive.checked) {      browserEnablePipelining.removeAttribute("disabled");    } else {      browserEnablePipelining.setAttribute("disabled", "true");      browserEnablePipelining.setAttribute("checked", "false");    }  } catch(e) {}}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/68c0d95469cc89193eb69c6448cf3e2a4877ae9c/pref-http.js/clean/xpfe/components/prefwindow/resources/content/pref-http.js