code: function(n)
  	{
  		return !isNaN(parseFloat(n)) && isFinite(n) && (typeof(n) != 'string' || n.toLowerCase().indexOf('0x') < 0);
  	}
docs: Function: isNumeric
  
  Returns true if the specified value is numeric, that is, if it is not
  null, not an empty string, not a HEX number and isNaN returns false.
  
  Parameters:
  
  n - String representing the possibly numeric value.