Problem while exporting data from Siebel in IE 7.0 or IE 8.0?

When I tried taking the export from Service Request list applet, I saw a difference in the way export applet was behaving in comparison with how it used to worked in IE 6.0. Right now I am using IE 7.0.So let me tell you the complete scenario what happened: From Service Request list applet, I clicked on Menu -> Export and as per expectation Export applet came up and I clicked on "Next" button.