var crid = 111;
var crtextid = null;

var cr_search = search.create({
	type: 'customrecordtype',
	filters: [['internalid', 'anyof', crid]],
	columns: ['scriptid']
}).run().each(function(result) {	
	crtextid = result.getValue(result.columns[0]);
	return false;
});