formular funguje vo FF, avsak nie v IE

<div id="formular"


<form action='' method='post' style="width: 645px">
    
        Number of words<sup>*</sup> in original text: <span lang="en-us">&nbsp;
        <br />
&nbsp;</span> <input name='count' value='<?php echo $_POST['count']?$_POST['count']:""; ?>'><br/>
        Language of origin text:<br />
        <select name='original'><br/>
                                                                                    <option value='en' <?php echo $_POST['original']=='en'?"selected":""; ?>>English</option>
                                                                                    <option value='sk' <?php echo $_POST['original']=='sk'?"selected":""; ?>>Slovak</option>
                                                                                </select><br/>
        Required language:<br />
        <select name='required'><br/>
                                                                                    <option value='en' <?php echo $_POST['required']=='en'?"selected":""; ?>>English</option>
                                                                                    <option value='sk' <?php echo $_POST['required']=='sk'?"selected":""; ?>>Slovak</option>
                                                                                </select><br/>
        Type of text:<br />
        <select name='type'>
                                                            <option value='general' <?php echo $_POST['type']=='general'?"selected":""; ?>>General</option>
                                                            <option value='expert' <?php echo $_POST['type']=='expert'?"selected":""; ?>>Expert</option>
                                                        </select><br />
        <br />
        <br />
        <button type='submit'>Calculate</button> <br/>
        <br />
        <br />
        *You can easily find out the number of words of your text in the MS WORD text editor using the function <b>Tools &gt; Word Count &gt; </b>        
    
  <?php
      if($price) echo "<p class='vypocet'>Your price of translation is ".number_format($price, 2, ',', ' ')."€</p>"; // number format 2=počet desetinných, čárka = desetinný oddělovač, a mezera oddělovač tisíců
    ?>
</form> 
</div>

<?php
    if($_POST){
        if(!preg_match("~^\d+$~",$_POST['count'])){
            echo "<p style='color: red;'>Počet slov není číslo</p>"; // pokud zadá blbost do počtu slov
        }
        else{
          if($_POST['original'] == 'en' and $_POST['required'] == 'sk'){ // z english do slovak
                switch($_POST['type']){
                    case "general":
                        $price = $_POST['count'] * 0.04; //general
                    break;
                    case "expert":
                        $price = $_POST['count'] * 0.044; //expert    
                    break;
                }
            }  
            elseif($_POST['original'] == 'sk' and $_POST['required'] == 'en'){ // z slovak do english
              switch($_POST['type']){
                    case "general":
                        $price = $_POST['count'] * 0.048; //general
                    break;
                    case "expert":
                        $price = $_POST['count'] * 0.052; //expert    
                    break;
                }
            }
            else {
                echo "<p style='color: red;'>Špatně jste vybrali jazyky</p>"; // pokud vybere z EN do EN nebo z SK do SK
            }
      }
    } 
        
?>