@echo off

 rem get up a browsing VM

 for /F %%A in ('..\cygwin\bin\curl --get http://127.0.0.1:8080/browsing') do SET VM_NAME=%%A

 rem construct proper URL

 set "URL=http://127.0.0.1:8080/sdvms/%VM_NAME%/application/usr/bin/iceweasel"

 echo "Calling:" %URL%

 ..\cygwin\bin\curl --get %URL%