How to enable/disable SharePoint alerts using stsadm command

**********for SharePoint 2007********

@set PATH=C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\BIN;%PATH%

**********for SharePoint 2010/13********
@set PATH=C:\Program Files\Common Files\Microsoft Shared\web server extensions\14\BIN;%PATH%
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stsadm.exe -o getproperty -pn dead-site-num-notifications -url http://mainsite.hdn.net/sites/mo/sr
stsadm.exe -o setproperty -pn dead-site-num-notifications -pv 24 -url http://mainsite.hdn.net/sites/mo/sr


stsadm -o getproperty -pn alerts-enabled -url http://mainsite.hdn.net/sites/mo/sr
stsadm -o setproperty -url "http://mainsite.hdn.net/sites/mo/sr" -pn alerts-enabled -pv "False"
stsadm -o setproperty -url "http://mainsite.hdn.net/sites/mo/sr" -pn alerts-enabled -pv "True"



stsadm.exe -o getproperty -url http://mainsite.hdn.net/sites/mo/sr  -pn job-immediate-alerts
stsadm.exe -o setproperty -pn job-immediate-alerts -pv "every 5 minutes between 0 and 59" -url http://mainsite.hdn.net/sites/mo/sr



stsadm.exe -o getproperty -pn job-weekly-alerts -url http://mainsite.hdn.net/sites/mo/sr
stsadm.exe -o setproperty -pn job-weekly-alerts -pv "weekly between Fri 22:00:00 and Sat 24:00:00" -url http://mainsite.hdn.net/sites/mo/sr