The following is just something that types in a VB script that sends command line arguments to internet explorer and opens new tabs based on the URLs you specify via command line.
REM http://www.vistaheads.com/forums/microsoft-public-internetexplorer-general/438407-command-line-open-several-websites-multiple-tabs.htmlinternetexplorer
REM INPUT FILE MobileTabs.vbs
STRING copy con MobileTabs.vbs
ENTER
STRING on error resume next
ENTER
STRING navOpenInBackgroundTab = &h1000
ENTER
STRING set oIE = CreateObject("InternetExplorer.Application")