function convert(degree)
{
if (degree=="C")
 {
 F=document.getElementById("c").value * 9 / 5 + 32;
 document.getElementById("f").value=Math.round(F);
 }
else	
 {
 C=(document.getElementById("f").value -32) * 5 / 9;
 document.getElementById("c").value=Math.round(C);
 }
}