<html>
<head>
<title>Area and Perimeter<title>
</head>
<body>
<script>
//Chao Li. September 26, 2007.
alert ("So, we are going to find out the area and perimeter of a rectangle.");
var length = "";
var width = "";
var area = 0;
var perimeter = 0;
length = prompt ("What is the length of the rectangle?");
width = prompt ("And the width?");
length = eval(length);
width = eval(width);
area = length * width;
alert ("The area of the rectangle will be "+area+".");
perimeter = 2 * (length + width);
alert ("And your perimeter will be "+perimeter+".");
alert (Bye bye.);
</script>
</body>
</html>
