<form>
<input type="button" value="Sakrij kružnicu" onclick="document.applets[0].setVisible('k', false);">
<input value="Pokaži kružnicu" type="button" onclick="document.applets[0].setVisible('k', true);">
<input value="Trokut crveno" type="button" onclick="document.applets[0].setColor('P', 255, 0, 0);">
<input value="Kružnica plavo" type="button" onclick="document.applets[0].setColor('k', 0, 0, 255);">
<input value="Pomakni B" type="button" onclick="document.applets[0].evalCommand('B=(3,-2)');">
<input value="Izbriši A" onclick="document.applets[0].deleteObject('A');" type="button">
<input value="Resetiraj" onclick="document.applets[0].reset();" type="button">
</form>

<script type="text/javascript">
function getCoords(imeObjekta) {
var applet = document.applets[0];
var x = applet.getXcoord(imeObjekta); 
var y = applet.getYcoord(imeObjekta); 
document.coordForm.getXfield.value = x;
document.coordForm.getYfield.value = y;
}
</script>
<form name="coordForm">
<input value="Molim koordinate točke B:" onclick="getCoords('B');" type="button">
<input name="getXfield" size="5" type="text">
<input name="getYfield" size="5" type="text">
</form>

<script type="text/javascript">
function setCoords(imeObjekta, x, y) {
document.applets[0].evalCommand(imeObjekta + " = (" + x + ", " + y + ")");
}
</script>
<form>
<input value="Premjesti točku B na poziciju:" 
onclick="setCoords('B', setXfield.value, setYfield.value);" type="button">
<input name="setXfield" size="5" value="6" type="text">
<input name="setYfield" size="5" value="3" type="text">
</form>

<script type="text/javascript">
function moja_konstrukcija( ) {
var aplet = document.applets[0];
aplet.evalCommand("s_a = SimetralaDužine[B, C]");
aplet.evalCommand("s_b = SimetralaDužine[A, C]");
aplet.evalCommand("s_c = SimetralaDužine[B, A]");
aplet.evalCommand("S = Sjecište[s_a,s_b]");
aplet.setColor('S', 255, 0, 0);
}
</script>

<form>
<input value="Konstruiraj središte opisane kružnice" 
onclick="moja_konstrukcija( );" type="button">
</form>

<script type="text/javascript">
function izvrsi(upisano) {
document.applets[0].evalCommand(upisano);
return false;}

</script>
<form action="" onsubmit="izvrsi(polje.value);polje.value='';return false;">
Polje za unos: <input type="text" name="polje" size="25">
</form>