function execCode() {
  heading();
  year();


}

function heading() {
   println("           Amount         Amount");
   println("           Simple          Compound");
   println("Year    Interest          Interest");
}


function year() {
   for (var i = 1; i < 10; i++) {
     var yr = i;
     var smpl = 1000+(50*i);


   print(yr);
   print("         ");
   print("$"+smpl+".00");
   print("         ");

     switch (i) {
       case 1:
         var a = 1000*1.05;
         println(a);
         break;

       case 2:
         var b = newRound(a*1.05,2);
         println(b);
         break;

       case 3:
         var c = newRound(b*1.05,2);
         println(c);
         break;

       case 4:
         var d = newRound(c*1.05,2);
         println(d);
         break;

       case 5:
         var e = newRound(d*1.05,2);
         println(e);
         break;

       case 6:
         var f = newRound(e*1.05,2);
         println(f);
         break;

       case 7:
         var g = newRound(f*1.05,2);
         println(g);
         break;

       case 8:
         var h = newRound(g*1.05,2);
         println(h);
         break;

       case 9:
         var j = newRound(h*1.05,2);
         println(j);
         break;
     }

}
}








// Return the HTML element named 'id'
function getElement(id) {
  return document.getElementById(id);
}

// Return the text in the 'Input:' box
function getInput() {
  var input = getElement("input");
  return input.value;
}

// Print to the 'output' HTML element
function print(x) {
   var out = getElement("output");
   out.value = out.value + x;
}

// Clear the 'output' text area
function clr() {
  //alert("hey");
  var out = getElement("output");
  out.value = "";
}

// Print to the 'output' HTML element and
//    add the line end
function println(x) {
  if (x === undefined) {
    x = "";
  }
  print(x + '\n');
}

// Sample using the canvas to draw on
function drawExample() {
  var c;
  var cx;
  c = getElement("drawing");
  cx = c.getContext("2d");
  //cx.strokeStyle = "red";
  cx.lineWidth = 1;
  // draw rect with narrow lines
  cx.strokeRect(5, 5, 100, 50);
  // draw rect with wider lines
  cx.strokeStyle = "red";
  cx.lineWidth = 5;
  cx.strokeRect(135, 5, 50, 50);

}

// User defined round function
// Pass in the number and the number of
//    decimal places to retain
function newRound(num, places) {
  tens = Math.pow(10, places);
  var temp = num * tens;
  temp = Math.round(temp);
  temp = temp / tens;
  return temp;
}

// Put code here to execute when the user
//   presses the 'Run Program' button