<script type="text/javascript" charset="utf-8">
  $(document).on('ready pjax:scriptcomplete',function(){
     alert("Hallo, hier ist javascript");
  });
</script>

<img src=".../links{zufall_links}.jpeg"> <img src=".../rechts{zufall_rechts}.jpeg">

<script type="text/javascript" charset="utf-8">
 
    function shuffle(array) {
        var currentIndex = array.length, temporaryValue, randomIndex;
        // While there remain elements to shuffle...
        while (0 !== currentIndex) {
            // Pick a remaining element...
            randomIndex = Math.floor(Math.random() * currentIndex);
            currentIndex -= 1;
            // And swap it with the current element.
            temporaryValue = array[currentIndex];
            array[currentIndex] = array[randomIndex];
            array[randomIndex] = temporaryValue;
        }
        return array;
    }
 
$(document).on('ready pjax:scriptcomplete',function(){
    // Fill the array, hier Zahlen von 1 - 40
    var arrL = ;
    var arrR = ;
    for (var i = 1; i < 41; i++) {
       arrL.push(('0'+i).slice(-2));
       arrR.push(('0'+i).slice(-2));
    }
 
    arrL = shuffle(arrL);
    arrR = shuffle(arrR);
    arrL = arrL.join('');
    arrR = arrR.join('');
    $('#question{QID} input[type="text"]:eq(0)').val(arrL);
    $('#question{QID} input[type="text"]:eq(1)').val(arrR);
    // Nach dem Testen in dieser letzten Zeile die Schrägstriche entfernen
    //$('#question{QID}').hide();
});
</script>

<img src="Pfad_zum_Bild/BildL{substr(QPool_1,0,2)}.jpg" /><img src="Pfad_zum_Bild/BildR{substr(QPool_2,0,2)}.jpg" />
<img src="Pfad_zum_Bild/BildL{substr(QPool_1,2,2)}.jpg" /><img src="Pfad_zum_Bild/BildR{substr(QPool_2.2,2)}.jpg" />
<img src="Pfad_zum_Bild/BildL{substr(QPool_1,4,2)}.jpg" /><img src="Pfad_zum_Bild/BildR{substr(QPool_2.4,2)}.jpg" />