Created Issue: AjaxToolkit not working in IE [27235]

Hi,

AjaxControlToolkit not working in IE. It;s working great in Chrome and Firefox. I am using ToolkitScriptManager in my master page and also the tag is registered in web.config under pages.

Below is my website url
http://www.lyfetabs.com

Also getting SCRIPT87: Invalid argument.
ScriptResource.axd?d=h2ggZb37x-ETrLiw_6xPrBBEtJGnpOx-OOQqnHVdWR91Ja4wOxbrZYUGDxJlQZqu7aBDZeWCEK0h11KjAYUMEDf7yWkxqQnmMWrdzLUiqYC1Uvdo3Fp9tXfJ9Zy8QR3nPZJfMqSgQi_lbfI06ntGC1BHvrY1&t=10cef09d, line 269 character 2
error in IE.