Hello,
I'm new here and hope you can help me.
I have a problem on my site, I used the codes to rounding the pages. All browsers it shows good except Explorer.

What can I do?

Center column style:
border-top-left-radius:0px;
border-top-right-radius:0px;
border-bottom-right-radius:0px;
border-bottom-left-radius:20px;

LEFT sidebar style:
border-top-left-radius:0px;
border-top-right-radius:0px;
border-bottom-right-radius:20px;
border-bottom-left-radius:0px;

www.ronytherapy.co.il

CSS3 in IE9 may not work or work consistently.

CSS3 is not supported in IE8 and below. I have seen some scripts that are available to "fix" some of these issues. Try a Google search for rounded corners in IE.

I checked and I tried to put other codes. The problem is that the circles appear in the browser, but in the opposite way. That is a circle which should be on the right side it shows it on the left.
Other browsers everything looks fine.
I could be making a mistake?

Have you tried deactivating all your plugins to see if that makes a difference?

No plugins installed at all.
I made these circles only at the Center column style- left bottom
And at the LEFT sidebar style- right bottom
Could there be a problem? But looks very strange problem in IE only.

I am not sure what is going on with your site. Your right sidebar has an id of #left. It should be #right.