function GetLength(str)
{
var oEditor = FCKeditorAPI.GetInstance(str) ;
var checkContent= oEditor.EditorDocument ;
var contentLength ;
if ( document.all )
{
contentLength= checkContent.body.innerText.trim().length ;
}
else
{
var r = checkContent.createRange() ;
r.selectNodeContents( checkContent.body ) ;
contentLength= r.toString().trim().length ;
}
return contentLength
}
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