rem: node = document.getElementById("headerPart3"); if (node) node.setAttribute("hide", "true"); 
context: function HideMessageHeaderPane(){  var node = document.getElementById("headerPart1");  if (node)    node.setAttribute("hide", "true");  node = document.getElementById("headerPart2");  if (node)    node.setAttribute("hide", "true");  node = document.getElementById("headerPart3");  if (node)    node.setAttribute("hide", "true");}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/4e9c59c4b23f66b3e027e3836556f995c73739c6/msgHdrViewOverlay.js/buggy/mailnews/base/resources/content/msgHdrViewOverlay.js