Untitled

<html>
<head> Javascript Tip Calculator </head>

<body>

<script type="text/javascript">
<!--

document.write("");


var Total = 0;
var NineTip = 1.09;
var SevenTip = 1.07;
var MealPrice = 0;

while (MealPrice != -1) {

	MealPrice = parseFloat(prompt("Please Enter Meal Price"));

	while (MealPrice < -1){
   		alert("Meal Price wasnt more than 0");
   		MealPrice = prompt("Enter Meal Price");
	}

	if (MealPrice <= 100){
   		Total = Total + (MealPrice * NineTip);
	}
	else{
   		Total = Total + (MealPrice * SevenTip);
	}

}

Total = Total + 1.09

document.write("<h2>");


document.write("Total is "+ Total);


//-->
</script>

</script>
</body>
</html>