INT 53 - WEB??? - API

	BX = function
	    0000h ???
		AX = ???
		Return: AX = ???
	    0004h ???
	    0009h ???
	    0015h
		AX = ???
		DX = ???
	    0017h
Return: ???
InstallCheck:	check for the signature "WEBCO" immediately prior to the
	  interrupt handler
Note:	the above calls are made by Show Partner F/X v3.6 (see INT 10/AH=53h)
Index:	installation check;unknown|installation check;WEBCO