docs: function _fnDeleteIndex( a, iTarget )
  		{
  			var iTargetIndex = -1;
  			
  			for ( var i=0, iLen=a.length ; i<iLen ; i++ )
  			{
  				if ( a[i] == iTarget )
  				{
  					iTargetIndex = i;
  				}
  				else if ( a[i] > iTarget )
  				{
  					a[i]--;
  				}
  			}
  			
  			if ( iTargetIndex != -1 )
  			{
  				a.splice( iTargetIndex, 1 );
  			}
  		}