Brontekst bekijken van Google Earth:berekening

<html>
<style type="text/css">
input.box1 {background-color:#ffffff;color:#000000;border:1px solid #f0f0f0;text-align:right}
input.box2 {background-color:#ffffff;color:#000000;border:none;text-align:center}
input.box3 {background-color:#ffffff;color:#000000;border:none;text-align:right}
input.box4 {background-color:#ffffff;color:#000000;border:none;text-align:left;color:#ff0000}
</style>
</html>
{| {{sys:tabel:geen rand}}
|(
|<html><input type="text" disabled="disabled" class="box3" size="5" value="width"   /></html> 
|/
|<html><input type="text" disabled="disabled" class="box3" size="5" value="height" /></html>
|)
|*
|<html><input type="text" disabled="disabled" class="box3" size="5" value="size" /></html>
|<html><input type="text" disabled="disabled" class="box2" size="1" value="=" /></html>
|<html><input type="text" disabled="disabled" class="box3" size="5"  id="txt1"/></html>
|<html><input type="text" disabled="disabled" class="box3" size="5"  id="txt2"/></html>
|-
|(
|<html><input type="text" class="box1" size="5" id="width"/></html>
|/
|<html><input type="text" class="box1" size="5" id="height" /></html>
|)
|*
|<html><input type="text" class="box1" size="5"  id="size" value="150" /></html>
|<html><input type="button" id="calc" value="=" /></html>
|<html><input type="text" class="box1" size="5"  id="res1" disabled="disabled"/></html>
|<html><input type="text" class="box1" size="5"  id="res2" disabled="disabled"/></html>
|}
<html><input type="text" class="box4" size="55" id="error" disabled="disabled"/></html>
<html>
<script type="text/javascript">
document.getElementById('calc').onclick= function() {
  if (isNaN(document.getElementById('width').value) || document.getElementById('width').value<=0) { 
	document.getElementById('error').value="Width is niet numeriek of kleiner cq gelijk 0";
  } else {
	if (isNaN(document.getElementById('height').value) || document.getElementById('height').value<=0) { 
	  document.getElementById('error').value="Height is niet numeriek of kleiner cq gelijk 0";
	} else {
          document.getElementById('error').value="";
	  document.getElementById('res2').value=document.getElementById('size').value;
	  if (Number(document.getElementById('width').value)>Number(document.getElementById('height').value)) {
	   document.getElementById('txt2').value="width";
	   document.getElementById('txt1').value="height";
	document.getElementById('res1').value=Math.floor((document.getElementById('height').value/document.getElementById('width').value)*document.getElementById('size').value);
	  } else {
	   document.getElementById('txt2').value="height";
	   document.getElementById('txt1').value="width";
 document.getElementById('res1').value=Math.floor((document.getElementById('width').value/document.getElementById('height').value)*document.getElementById('size').value);
	  }
	}
  }
};
</script>
</html>