public function fieldExists($strField, $strTable, $blnNoCache=false)
	{
		if ($strField == '' || $strTable == '')
		{
			return false;
		}

		foreach ($this->listFields($strTable, $blnNoCache) as $arrField)
		{
			if ($arrField['name'] == $strField && $arrField['type'] != 'index')
			{
				return true;
			}
		}

		return false;
	}