text:  function compute()
  {
      var principal = document.getElementById("principal").value;
  
      if(principal == "" || principal <= 0)
      {
          alert("Enter a positive number");
          document.getElementById("principal").focus();
          return;
      }
  
      var rate = document.getElementById("rate").value;
      var years = document.getElementById("years").value;
      var interest = principal * years * rate / 100;
  
      var dateNow = new Date();
      var yearNow = parseInt(dateNow.getFullYear()) + parseInt(years);
      
      var resultDisplay = document.getElementById("result");
      resultDisplay.innerHTML = "If you deposit " + "<span class='highlight'>" + principal + "</span>."  + ", <br> at an interest rate of "+ "<span class='highlight'>" + rate + "</span>%." + "<br> You will receive an amount of " + "<span class='highlight'>" + interest + "</span>" + ", <br> in the year " + "<span class='highlight'>" + yearNow + "</span>";
  }
  
  function SliderValue()
  {
      var slider = document.getElementById("rate");
      var output = document.getElementById("rate_display");
      output.innerHTML = slider.value; // Display the default slider value
  
      // Update the current slider value (each time you drag the slider handle)
      slider.oninput = function() 
      {
          output.innerHTML = this.value;
      }  
  }
  