In the initialization code for the script, there is an issue with your togglehtml option:
Code:
togglehtml: ["suffix", "<img class='statusicon' />", "<img src='http://kidumi.com/all-in-1.co.il/images/dashed_line.png' class='statusicon' />"], //Additional HTML added to the header when it's collapsed and expanded, respectively ["position", "html1", "html2"] (see docs)
The code in red creates a blank image, which IE shows regardless. Either replace the code in red with just an empty string (""), or add in a valid src attribute.
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