dollar to rupees conversion

by Pranab Dey

HTML

<input type="text" id="dollar" onkeyup="pranab();"/>Dollar<br><input type="text" id="rupees"/>Rupees

JavaScript

function pranab(){
var dolla = document.getElementById("dollar").value;
  var rupe = document.getElementById("rupees");
if(!isNaN(dolla)){
rupe.value = 60*dolla;
}
}