Copy all the DVD contents to a Temp folder in the HDD
Edit the "SMWoS.msi" with Orca... Use the pic given below to note the changes which has to be made
15pr31v.jpg
For noobs n lazy bums

here is the edited MSI :
SMWoS.7z
Now Burn all files in Temp folder excluding the files given below. ( Volume Label : SM_WOS ) This will be the First DVD
P1.cab
P3.cab
P4.cab
P5.cab
P6.cab
P7.cab
S04r1.cab
S04r.cab
S59.cab
Now Burn the Second DVD with all the files which we excluded from the First DVD. ( Volume Label : SM_WOS2 )
Additionally you can include the autorun and icon if you prefer. Edit the autorun in the first DVD like this
[autorun]
open=0
icon=SMWoS.ico ( Don't forget to copy the icon from the first DVD to your second DVD's root folder. Icon file is located in first DVD's "Setup\rsrc" folder
Installation sequence will be DVD1 - DVD2 - DVD1
Note : If needd add any NO DVD crack in the First DVD
Tested and working fine