RadEditor wont show fullscreen in internet explorer but looks good in google chrome

[Robel]

 

Look at the picture i have attached why does internet explorer react in a different way? Is there a problem on there end?

<telerik:RadEditor

OnClientCommandExecuting="OnClientCommandExecuting"

Width="100%"

EnableResize="true"

Height="100%"

ID="editor1"

OnClientLoad="OnClientLoad"

Runat="server"

ToolsFile="**" >

<ImageManager ViewPaths="*****" SearchPatterns="*.jpeg,*.jpg,*.png,*.gif,*.bmp"/>

</telerik:RadEditor>