610-09 : EXG 10.6 | EDGAR Filer Manual v68 6.10.9

Do not use numeric label roles on non-numeric elements.

Non-numeric elements must not have labels whose xlink:role value implies they apply to numeric values.

Value of the xlink:role attribute on link:label	Non numeric
http://www.xbrl.org/2003/role/positiveLabel	Disallowed
http://www.xbrl.org/2003/role/positiveTerseLabel
http://www.xbrl.org/2003/role/positiveVerboseLabel
http://www.xbrl.org/2003/role/negativeLabel
http://www.xbrl.org/2003/role/negativeTerseLabel
http://www.xbrl.org/2003/role/negativeVerboseLabel
http://www.xbrl.org/2003/role/zeroLabel
http://www.xbrl.org/2003/role/zeroTerseLabel
http://www.xbrl.org/2003/role/zeroVerboseLabel
http://www.xbrl.org/2003/role/totalLabel
http://www.xbrl.org/2009/role/negatedLabel
http://www.xbrl.org/2009/role/negatedPeriodEndLabel
http://www.xbrl.org/2009/role/negatedPeriodStartLabel
http://www.xbrl.org/2009/role/negatedTotalLabel
hhttp://www.xbrl.org/2009/role/negatedNetLabel
http://www.xbrl.org/2009/role/negatedTerseLabel
http://xbrl.us/us-gaap/role/label/negated
http://xbrl.us/us-gaap/role/label/negatedTotal
http://xbrl.us/us-gaap/role/label/negatedPeriodStart
http://xbrl.us/us-gaap/role/label/negatedPeriodEnd
All Others	Allowed

Variations

Number

Name

Description

References

Data Inputs

Result Outputs

_016ng

6.10.9 Role http://www.xbrl.org/2003/role/totalLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/totalLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009016ng/e61009016ng-20111231.htm ReadMeFirst
Schema e61009016ng/e61009016ng-20111231.xsd
Schema e61009016ng/e61009000ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_017ng

6.10.9 Role http://www.xbrl.org/2003/role/positiveLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/positiveLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009017ng/e61009017ng-20111231.htm ReadMeFirst
Schema e61009017ng/e61009017ng-20111231.xsd
Schema e61009017ng/e61009001ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_018ng

6.10.9 Role http://www.xbrl.org/2003/role/negativeLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/negativeLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009018ng/e61009018ng-20111231.htm ReadMeFirst
Schema e61009018ng/e61009018ng-20111231.xsd
Schema e61009018ng/e61009002ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_019ng

6.10.9 Role http://www.xbrl.org/2003/role/zeroLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/zeroLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009019ng/e61009019ng-20111231.htm ReadMeFirst
Schema e61009019ng/e61009019ng-20111231.xsd
Schema e61009019ng/e61009003ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_020ng

6.10.9 Role http://www.xbrl.org/2003/role/positiveTerseLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/positiveTerseLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009020ng/e61009020ng-20111231.htm ReadMeFirst
Schema e61009020ng/e61009020ng-20111231.xsd
Schema e61009020ng/e61009004ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_021ng

6.10.9 Role http://www.xbrl.org/2003/role/negativeTerseLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/negativeTerseLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009021ng/e61009021ng-20111231.htm ReadMeFirst
Schema e61009021ng/e61009021ng-20111231.xsd
Schema e61009021ng/e61009005ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_022ng

6.10.9 Role http://www.xbrl.org/2003/role/zeroTerseLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/zeroTerseLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009022ng/e61009022ng-20111231.htm ReadMeFirst
Schema e61009022ng/e61009022ng-20111231.xsd
Schema e61009022ng/e61009006ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_023ng

6.10.9 Role http://www.xbrl.org/2003/role/positiveVerboseLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/positiveVerboseLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009023ng/e61009023ng-20111231.htm ReadMeFirst
Schema e61009023ng/e61009023ng-20111231.xsd
Schema e61009023ng/e61009007ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_024ng

6.10.9 Role http://www.xbrl.org/2003/role/negativeVerboseLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/negativeVerboseLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009024ng/e61009024ng-20111231.htm ReadMeFirst
Schema e61009024ng/e61009024ng-20111231.xsd
Schema e61009024ng/e61009008ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_025ng

6.10.9 Role http://www.xbrl.org/2003/role/zeroVerboseLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2003/role/zeroVerboseLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009025ng/e61009025ng-20111231.htm ReadMeFirst
Schema e61009025ng/e61009025ng-20111231.xsd
Schema e61009025ng/e61009009ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_026ng

6.10.9 Role http://www.xbrl.org/2009/role/negatedLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2009/role/negatedLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009026ng/e61009026ng-20111231.htm ReadMeFirst
Schema e61009026ng/e61009026ng-20111231.xsd
Schema e61009026ng/e61009010ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_027ng

6.10.9 Role http://www.xbrl.org/2009/role/negatedPeriodEndLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2009/role/negatedPeriodEndLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009027ng/e61009027ng-20111231.htm ReadMeFirst
Schema e61009027ng/e61009027ng-20111231.xsd
Schema e61009027ng/e61009011ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_028ng

6.10.9 Role http://www.xbrl.org/2009/role/negatedPeriodStartLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2009/role/negatedPeriodStartLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009028ng/e61009028ng-20111231.htm ReadMeFirst
Schema e61009028ng/e61009028ng-20111231.xsd
Schema e61009028ng/e61009012ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_029ng

6.10.9 Role http://www.xbrl.org/2009/role/negatedTotalLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2009/role/negatedTotalLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009029ng/e61009029ng-20111231.htm ReadMeFirst
Schema e61009029ng/e61009029ng-20111231.xsd
Schema e61009029ng/e61009013ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_030ng

6.10.9 Role http://www.xbrl.org/2009/role/negatedNetLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2009/role/negatedNetLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009030ng/e61009030ng-20111231.htm ReadMeFirst
Schema e61009030ng/e61009030ng-20111231.xsd
Schema e61009030ng/e61009014ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1

_031ng

6.10.9 Role http://www.xbrl.org/2009/role/negatedTerseLabel on non-numeric element, NOGOOD.

Role http://www.xbrl.org/2009/role/negatedTerseLabel on non-numeric element, NOGOOD.

Parameter
Name	ELOparams
Type
Value	{"periodOfReport": "12-31-2011", "submissionType": "6-K"}

Instance e61009031ng/e61009031ng-20111231.htm ReadMeFirst
Schema e61009031ng/e61009031ng-20111231.xsd
Schema e61009031ng/e61009015ng-20111231.xsd

Assertion
ID: err, 61009, Numeric-Label-Role
FRD:	du
Count satisfied	0
Count not satisfied	1