Added some indices to database and more SQL simplification

assignnodetoasset.php

@@ -42,12 +42,12 @@
 	$smarty->assign("asset_id", $asset_id);
 		// build query
 		$query = "SELECT
-				asset.asset_id AS asset_id,
-				asset.asset_name AS asset_name
+				asset_id,
+				asset_name
 			FROM
 				asset
 			ORDER BY
-				asset.asset_name";
+				asset_name";
 		
 		// run query
 		$assets = $db->db_select($query);