var gbrt=["Celsius","Fahrenheit","kelvin"];

function fix(v)
{
//Copyright 2003 FAQS.ORG
if (!isFinite(v)) return "";
if (v == 0) return "0";
st = "" + v;
epos = st.indexOf('E');
if (epos == -1) epos = st.indexOf('e');
sdigi = Math.log(Math.abs(v)) / Math.LN10;
sdigif = Math.floor(sdigi);
if (epos == -1){
adjust = Math.pow(10, sdigif-12);
faqs = Math.round(v/adjust);
norst = ""+faqs;
if (sdigif<12){
adjust2 = Math.pow(10, 12-sdigif);
return (faqs / adjust2);}
else return (faqs * adjust);}
else {
zo = v*Math.pow(10, 12-sdigif);
szo = String(Math.round(zo));
inse = -1;
if (szo.charAt(0) == '-') inse = 2;
else inse = 1;
rest = szo.substring(inse,szo.length);
i = rest.length-1;
while (i>=0 && rest.charAt(i) == '0')
i--;
rest = rest.substring(0,i+1);
rou = szo.substring(0,inse);
if (rest.length>0) rou += "." + rest;
if (sdigif<0) sa = rou + "E";
else sa = rou + "E+";
snow = sa + sdigif;
vanow = Math.abs(parseFloat(snow));
vab = Math.abs(v);
if (sdigif>=0){
if (vanow>5*vab)
snow = sa + String(sdigif-1);
else if (vanow<vab/5)
snow = sa + String(sdigif+1);}
else if (sdigif>=0){
if (vanow>5*vab)
snow = sa + String(sdigif+1);
else if (vanow<vab/5)
snow = sa + String(sdigif-1);}
vanow = parseFloat(snow);
if (vanow>1.1*v || vanow<0.9*v) return v;
else return snow;}}


function convert()
{
isNS4 = (document.layers) ? true : false;
isIE4 = (document.all && !document.getElementById) ? true : false;
isIE5 = (document.all && document.getElementById) ? true : false;
isNS6 = (!document.all && document.getElementById) ? true : false;
myform = document.forms['cform'];
w1 = myform.D1.options[myform.D1.selectedIndex].value;
w2 = myform.D2.options[myform.D2.selectedIndex].value;
//faqsorg = factors[w2]/factors[w1];
//resfaqs = myform.T1.value*faqsorg;
sv1 = myform.D1.selectedIndex;
sv2 = myform.D2.selectedIndex;
iv = parseFloat(myform.T1.value);
if (sv1==0){
if (sv2==0) resfaqs = iv;
if (sv2==1) resfaqs = iv*9/5+32;
if (sv2==2) resfaqs = iv+273.15;
}
else if (sv1==1){
if (sv2==0) resfaqs = (iv-32)*5/9;
if (sv2==1) resfaqs = iv;
if (sv2==2) resfaqs = 273.15+(iv-32)*5/9;
}
else if (sv1==2){
if (sv2==0) resfaqs = iv-273.15;
if (sv2==1) resfaqs = (iv-273.15)*9/5+32;
if (sv2==2) resfaqs = iv;
}

if (isIE5 || isNS6)
{
elm = document.getElementById("N1");
elm2 = document.getElementById("N2");
elm.innerHTML=gbrt[w1];
elm2.innerHTML=gbrt[w2];
}

if (isNaN(resfaqs))
myform.T2.value = "";
else
{myform.T2.value = fix(resfaqs) + " ";}
}