The parameter is not supported by the Internet Explorer browser. These parameters control the height and width, respectively, of the margins of frames in a framed HTML document. Expressed in pixels . A value of 0 is not allowed since the browser cannot allow frames to overlap or touch. Ideally, these parameters should match for the best esthetic effect.
Standard values are get and post .
The default value is get and is assumed if the parameter is omitted. Expressed as any unique label name . Objects or elements in the same class cannot share the same label name. All commands using this parameter. No value is permitted.