function IsNumeric(sText) { var ValidChars = "0123456789."; var IsNumber=true; var Char; for (i = 0; i < sText.length && IsNumber == true; i++) { Char = sText.charAt(i); if (ValidChars.indexOf(Char) == -1) { IsNumber = false; } } return IsNumber; } function cconv1(){ if(!(document.currency.val1.value) || !IsNumeric(document.currency.val1.value)) { document.currency.val2.value = ""; } else { document.currency.val2.value = parseFloat (document.currency.val1.value) * (parseFloat(document.currency.cur1.options[document.currency.cur1.selectedIndex].value) / parseFloat(document.currency.cur2.options[document.currency.cur2.selectedIndex].value) ); document.currency.val2.value=Math.round(document.currency.val2.value*100)/100; // document.getElementById('curr1').innerHTML = document.currency.cur1.options[document.currency.cur1.selectedIndex].innerHTML; // document.getElementById('curr2').innerHTML = document.currency.cur2.options[document.currency.cur2.selectedIndex].innerHTML; } } document.write('
\
\ No:
\
\ \
\
\ Uz:
\
\ \
\
');