IF[#9048.version>=#6001.itemnum]+[#9048.version<0]GOTO3
#6001.permission=0
WHILE#6001.permission<#6001.itemnumDO1
IF#6001.itemversion[#6001.permission]==#9048.versionGOTO1
#6001.permission=#6001.permission+1
END1
GOTO2
N1
#6001.channel=#6001.permission
N2
IF[#6001.channel>=#6001.itemnum]+[#6001.channel<=0]GOTO3
#6001.permission=#6001.itemversion[#6001.channel-1]
#6001.itemversion[#6001.channel-1]=#6001.itemversion[#6001.channel]
#6001.itemversion[#6001.channel]=#6001.permission
#6001.channel=#6001.channel-1
N3