text: function compute() {	
  	var principal = parseFloat(document.getElementById("principal").value);
  	var rate = parseFloat(document.getElementById("rate").value);
  	var years = parseInt(document.getElementById("years").value);
  	var interest = principal * years * rate / 100;
  	var yearInTheFuture = new Date().getFullYear() + years;
  	document.getElementById("result").innerHTML = "Interest : If you deposit <mark>" + principal + "</mark>,<br/>" +
  	"at an interest rate of <mark>" + rate + "</mark>,<br/>" +
  	"You will receive an amount of <mark>" + interest + "</mark>,<br/> " +
  	"in the year <mark>" + yearInTheFuture + "</mark>";
  	}
  	function getValue() {
  	document.getElementById("rateSpan").innerHTML = document.getElementById("rate").value;
  	}
  	function validateAmount() {
  	var principal = document.getElementById("principal").value;
  	var biggerThanZero = parseInt(principal) > 0;
  	if (!biggerThanZero) {
  	alert("Enter a positive number");
  	document.getElementById("principal").focus();
  	}
  	}
  
          
  