62 lines
3.0 KiB
HTML
62 lines
3.0 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<style>
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input[type='number']{text-align:right;}
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input[readonly='readonly']{background-color:#eee;}
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</style>
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</head>
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<body>
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<h1>Rechner zwischen Brutto-Netto-Kole</h1>
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<table>
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<tr><td>Eingangsgröße:</td><td><input accesskey="b" type="radio" name="b" value="e" id="bb" class="bb" checked="checked"/><label for="bb"><u>B</u>rutto</label><input accesskey="n" type="radio" name="b" value="b" id="bn" class="bb"/><label for="bn"><u>N</u>etto</label><input accesskey="k" type="radio" name="b" value="k" id="bk" class="bb"/><label for="bk"><u>K</u>oLe</label></td></tr>
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<tr><td>Br<u>u</u>tto</td><td><input accesskey="u" type="number" step="0.01" id="e" value="100.00"/> €</td></tr>
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<tr><td>Umsatzsteuersatz</td><td><input type="number" step="0.01" id="u" value="19.00"/> %</td></tr>
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<tr><td>Umsatzsteuer</td><td><input readonly="readonly" type="number" step="0.01" id="us" value="0.00"/> €</td></tr>
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<tr><td>N<u>e</u>tto</td><td><input accesskey="e" type="number" step="0.01" id="n" value="0.00"/> €</td></tr>
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<tr><td>Entropieumlagesatz</td><td><input type="number" step="0.01" id="z" value="23.00"/> %</td></tr>
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<tr><td>Entropieumlage</td><td><input readonly="readonly" type="number" step="0.01" id="eu" value="23.00"/> €</td></tr>
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<tr><td>K<u>o</u>Le</td><td><input accesskey="o" type="number" step="0.01" id="k" value="0.00"/> €</td></tr>
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<tr><td> </td><td><input value="Berechnen" id="b" type="button"/></td></tr>
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</table>
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<script>
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var e=document.getElementById('e');
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var u=document.getElementById('u');
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var us=document.getElementById('us');
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var n=document.getElementById('n');
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var z=document.getElementById('z');
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var eu=document.getElementById('eu');
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var k=document.getElementById('k');
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var bb=document.getElementById('bb');
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var bn=document.getElementById('bn');
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var bk=document.getElementById('bk');
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var s = document.getElementById('b');
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function getFormFloat(f){
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return parseFloat(f.value);
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}
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function roundCents(f){
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return Math.round( f * 100 ) / 100;
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}
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s.addEventListener('click', function(){
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if(bk.checked){
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e.value = roundCents( getFormFloat(k) * ( 1 + getFormFloat(u) / 100 ) / ( 1 - getFormFloat(z) / 100 ) );
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n.value = roundCents( getFormFloat(k) / ( 1 - getFormFloat(z) / 100 ) );
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}else if(bb.checked){
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k.value = roundCents( getFormFloat(e) / ( 1 + getFormFloat(u) / 100 ) * ( 1 - getFormFloat(z) / 100 ) );
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n.value = roundCents( getFormFloat(e) / ( 1 + getFormFloat(u) / 100 ) );
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}else if(bn.checked){
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e.value = roundCents( getFormFloat(n) * ( 1 + getFormFloat(u) / 100 ) );
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k.value = roundCents( getFormFloat(n) * ( 1 - getFormFloat(z) / 100 ) );
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}
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us.value = roundCents(e.value * getFormFloat(u) / 100 );
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eu.value = roundCents(n.value * getFormFloat(z) / 100 );
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});
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e.addEventListener('change', function(){bb.checked = true;});
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n.addEventListener('change', function(){bn.checked = true;});
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s.click();
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</script>
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</body>
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</html>
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