// updated at Mon, 06 Feb 2012 14:19:15 +0000 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(){ val = document.currency.val1.value.replace(/,/g, "."); if(!(val) || !IsNumeric(val)) { document.currency.val2.value = ""; } else { document.currency.val2.value = parseFloat(val) * (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.write('');