Can you please provide the following information?
1) MidTier version and patch and Hot Fix level:
Can you please provide the exact information of MidTier version information? You can check this information on MidTier Config Tool.
2) Exact Reproducing Steps:
You say the issue occurs when you select drop down of Service Request Management. Can you please let us know the reproducing steps? Then, we would like to investigate whether the issue occurs with IE8.