CKEDITOR DOESN'T WORK ON IE8, WHY?...ABOUT KAMA AND MOONO SKIN

Thank you for your reply..........this is my form and an image of ckeditor on my web.......you can see ckeditor works good on IE10...also it works on Chrome and Mozilla.......their lastest version.....I haven't still tested it on IE11...but I think it works good too,,,,,,but on IE8 it does'nt work, the gap where ckeditor appears on IE10, chrome, mozilla.......on IE8, ckeditor appears empty, the same size but empty, just you can see the background, the colour of my web.................On the other hand....first I tested with kama skin........now I am testing with moono skin.......I haven't still seen if moono skin works on IE8....but I think ckeditor with moono skin doesn't work on IE8 either.......it seems that with any skin, ckeditor doesn't work on IE8 .........Finally....what's the problem??.......Why doesn't ckeditor work on IE8??......what do I have to do to fix it??.......thank again for your help.......wait your new reply...

<form id="new_item_post" class="fm" method="post" action="<?=SITE_URL;?>publicar-anuncio" enctype="multipart/form-data">
<span class="little_title"><span class="pink">1.</span> Describe tu anuncio</span>
<label class="post_left">Título</label>
<label class="post_right">Distrito que vas</label>
<input name="tit" type="text" id="tit" size="150" maxlength="150" value="" onfocus="this.select()" />
<input name="zone" type="text" id="zone" size="60" maxlength="60" style="text-transform:uppercase;"/>
<label>Escribe el texto de tu anuncio aquí</label>
<textarea name="text" rows="5" id="text" maxlength="1200"></textarea>
<script type="text/javascript" src="ckeditor/ckeditor-completo/ckeditor/ckeditor.js"></script>
<script type="text/javascript">
CKEDITOR.replace( 'text' ,
{
 /*skin: 'kama',*/
 fullPage: true,
 allowedContent: true,
 width: '663',
 /*width: '651',*/
    height: '300',
 /*toolbar : 'Basic',*/
 /*uiColor : '#9AB8F3',*/
 toolbar :
 [
 ['Bold'],['Italic'],['Underline'],['Undo'],['Redo'],['Link'],
 ],
});
</script>
<label style="margin-bottom: 10px;">Añadir imágenes (Opcional)</label>
#1<input name="photo[]" type="file" class="foto" id="photo_1"><br>
#2<input name="photo[]" type="file" class="foto" id="photo_2"><br>
#3<input name="photo[]" type="file" class="foto" id="photo_3"><br>
#4<input name="photo[]" type="file" class="foto" id="photo_4"><br>
#5<input name="photo[]" type="file" class="foto" id="photo_5"><br>
#6<input name="photo[]" type="file" class="foto" id="photo_6"><br>
<ul class="info_post">
<li> Haz click en el botón Examinar para
seleccionar un archivo de tu disco duro</li>
<li>Las imágenes no deben sobrepasar los <strong>5 mb</strong>.
Sólo se aceptan ficheros <strong>jpg, gif y png</strong>.</li>
</ul>
<span class="little_title" style="margin-top:40px;"><span class="pink">2.</span> Datos de contacto</span>
<label>Tu Email (opcional)</label>
<input name="email" type="text" id="email" size="50" maxlength="50" />
<span class="little_title" style="margin-top:15px;"><span class="pink">3.</span> Ingrese código de seguridad</span>
<span class="captcha noselect"><?=$stringRand;?></span>
<input name="captcha" type="text" id="captcha" size="15" maxlength="15" style="width:150px; height:15px; text-transform:uppercase; font-family: sans-serif; font-size: 15px; text-align: center;"/>
<span class="radio">
Al hacer clic en "Publicar Anuncio" abajo, usted está de acuerdo con los <a href="terminos-y-condiciones-de-uso" target="_blank">Términos y condiciones</a></span>
<input type="button" class="button" id="butPub" value="Publicar Anuncio"/>
<input type="hidden" id="cap" name="cap" value="<?=strtoupper($stringRand);?>">
</form>