add:      requestObject.setRequestHeader ('If-Modified-Since', 'Wed, 15 Nov 1995 00:00:00 GMT');  
context: function loadXMLDoc(url){  if (window.XMLHttpRequest)  {    requestObject = new XMLHttpRequest();    if (requestObject)    {      requestObject.onreadystatechange = processReqChange;      requestObject.open("GET", url, true);      requestObject.send(null);    }  }  else if (window.ActiveXObject)  {    requestObject = new ActiveXObject("Microsoft.XMLHTTP");    if (requestObject)    {      requestObject.onreadystatechange = processReqChange;      requestObject.open("GET", url, true);      requestObject.send();    }  }}
meta: 3562	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3562/4d9c2bc1d28d090852d5235deb238ee511e42b6c/signet.js/buggy/signet/web/scripts/signet.js