<script>
//GoodAdd
//Demonstrates evaluation function
//made by Norman Duong
//09-18-07
var meal;
//get the cost of the meal from the user
meal = prompt("How much was the meal?");
//convert the value to a number
meal = eval(meal);
var tip = meal * .15;
var total = meal + tip;
alert ("the meal is $" + meal);
alert ("the tip is $" + tip);
alert ("Total bill: $" + total);
</script>