RadEditor dont show full screen in internet explorer bur looks good in google chrome

[Robel]

T<telerik:RadEditor

           OnClientCommandExecuting="OnClientCommandExecuting"

      Width="100%"

EnableResize="true"

Height="100%"

ID="editor1"

OnClientLoad="OnClientLoad"

Runat="server"

ToolsFile="/_layouts/telerik/EditorInWindowToolsFile.xml" >

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

</telerik:RadEditor>