//Check Default users
			$exixting=mysql_num_rows(mysql_query("SELECT * FROM `xule_users` where userid='K80A'"));
				if($exixting==0)
					{
						$default="INSERT INTO xule_users(".
					"userid ,uname,id,password,priviledge,department)".
					"values('K80A','USER','','VmtaV1UxRnRVWGROVlVwUlZrUkJPUT09','Administrator','Administration')";
					mysql_query($default)or die(mysql_query());
					}
				// clear session 
				$_session=mysql_num_rows(mysql_query("SELECT * FROM `xule_sessions`"));
				if($_session>3)
				{
					mysql_query("TRUNCATE `xule_sessions`");
				}