diff --git a/tools_sql.php b/tools_sql.php
index 22605fe..6f3bed3 100644
--- a/tools_sql.php
+++ b/tools_sql.php
@@ -403,15 +403,33 @@
         return sql_get_field_term($sql,$table_name,$field,"AVG",$where);
     }
 
-    function sql_get_field_distinct($sql,$table_name,$field,$where)
+    function sql_get_field_distinct()//$sql,$table_name,$field,$where,$start,$count)
     {
-        if(!$sql)return null;
+        $sql        =func_get_arg(0);
+        $table_name =func_get_arg(1);
+        $field      =func_get_arg(2);
+
+        if(!$sql||!$table_name||!$field)return null;
+
+        if(func_num_args()>3)
+            $where=func_get_arg(3);
 
         if($where)
             $sql_string="select DISTINCT(".$field.") from ".$table_name.' WHERE '.$where.' ORDER BY '.$field;
         else
             $sql_string="select DISTINCT(".$field.") from ".$table_name.' ORDER BY '.$field;
 
+        if(func_num_args()>5)
+        {
+            $start=func_get_arg(4);
+            $count=func_get_arg(5);
+
+            if($start>0||$count>0)
+            {
+                $sql_string=$sql_string.' LIMIT '.$start.','.$count;
+            }
+        }
+
         $sql_result=$sql->query($sql_string);
 
         if(!$sql_result)