add:  var category = document.getElementById("categoryList") category.selectedIndex = 0; 
context: function doCustomize(){	window.openDialog("chrome://communicator/content/search/search-editor.xul", "_blank", "centerscreen,chrome,resizable");}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ec9a69cd12ebda3e1ce9f4ceefd42998b9b1faa0/search-panel.js/clean/xpfe/components/search/resources/search-panel.js