ActiveX in IE 5.5

Hi all,
I have a problem, I have a two activeX ACTX1 and ACTX2 controls on two screens. I have a menu, when clicked it takes to either one of these screens.
First say i go to the screen1 where ACTX1 is there the control shows up.Next if i click again on menu to navigate to the screen2 where ACTX2 is, it doesn't showing up even thought the control is installed previously. Now if i open it in a new IE5.5 window by pressing CTRL+N it works... It seems to me funny. Same happens if you go to screen2 first and then screen1.
This problems does't arise in IE 5 or lower.
Please help me....Is it the problem IE 5.5???? or do i need to set any properties???? HELP!!!!

Thanks
Soni

It could depend on the control. Some controls require a license pack file to be embedded on the page in order for them to show up. For instance, the MS DateTime Picker control.