function dec2Hex(dec) {
dec = parseInt(dec, 10);
if (!isNaN(dec)) {
hexChars = "0123456789ABCDEF";
if (dec > 255) {
return "Out of Range";
}
var i = dec % 16;
var j = (dec - i) / 16;
result = "0x";
result += hexChars.charAt(j) + hexChars.charAt(i);
return result;
} else {
return NaN;
}
}