rem: newHeader.setAttribute('collapsed', true); 
add: newHeader.collapsed = true; 
context: function createNewHeaderView(headerName){  var idName = 'expanded' + headerName + 'Box';  var newHeader = document.createElement("mail-headerfield");  newHeader.setAttribute('id', idName);  newHeader.setAttribute('label', currentHeaderData[headerName].headerName + ':');  newHeader.setAttribute('collapsed', true);  // this new element needs to be inserted into the view...  var topViewNode = document.getElementById('expandedHeaders');  topViewNode.appendChild(newHeader);    this.enclosingBox = newHeader  this.isValid = false;  this.useToggle = false;  this.useShortView = false;  this.outputFunction = updateHeaderValue;}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/7b10439c40b4254072b774f5f2ee3fb15c693ade/msgHdrViewOverlay.js/clean/mailnews/base/resources/content/msgHdrViewOverlay.js