var selektor = "Inhalt"; // Localized name in search drop-down
openDialog(
	"chrome://messenger/content/SearchDialog.xul",
	"_blank",
	"chrome,resizable,status,centerscreen,dialog=no",
	{ folder: gFolderDisplay.displayedFolder }
).addEventListener(
	"pageshow",
	function tempFunction(event) {
		this.removeEventListener(event.type, tempFunction, false);
		var searchAttr0 = this.document.getElementById("searchAttr0");
		searchAttr0.value = searchAttr0.valueIds[searchAttr0.valueStrings.indexOf(selektor)];
		this.document.getAnonymousElementByAttribute(
			this.document.getElementById("searchVal0"),
			"class",
			"search-value-textbox"
		).focus();
	},
	false
);