<FORM name=bandwidth>
<P><INPUT value=1024 name=original> <SELECT size=1 name=units> <OPTION
value=Bytes selected>Bytes</OPTION> <OPTION value=Kb>Kb</OPTION> <OPTION
value=Mb>Mb</OPTION> <OPTION value=Gb>Gb</OPTION></SELECT> <INPUT onclick=calculate() type=button value=Átszámítás name=B1></P></FORM>
<P>
<SCRIPT>

var bytevalue=0
function calculate(){
var invalue=document.bandwidth.original.value
var selectunit=document.bandwidth.units.options[document.bandwidth.units.selectedIndex].value
if (selectunit=="Bytes")
bytevalue=invalue
else if (selectunit=="Kb")
bytevalue=invalue*1024
else if (selectunit=="Mb")
bytevalue=invalue*1024*1024
else if (selectunit=="Gb")
bytevalue=invalue*1024*1024*1024

alert (invalue+" "+selectunit+" pontosan ennyi:\n\n- "+bytevalue+" Bytes\n- "+Math.round(bytevalue/1024)+" Kb\n- "+Math.round(bytevalue/1024/1024)+" Mb\n- "+Math.round(bytevalue/1024/1024/1024)+" Gb\n")
}

</SCRIPT>