Untitled

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>MP3-C: CONDITIONALS</title>
<script type="text/javascript">
function compute(){
	var sales = document.getElementById("s").value;
	var commission;
	sales = parseInt(sales);
	if(sales <= 0){
		document.getElementById("r").value = "0.00%";
		document.getElementById("c").value = sales * 0;
	}
	else if(sales <= 5000 && sales >= 1){
		document.getElementById("r").value = "5.00%";
		document.getElementById("c").value = sales * 5;
	}
	else if(sales > 5000 && sales <= 10000){
		document.getElementById("r").value = "6.50%";
		document.getElementById("c").value = sales * 6.50;
	}
	else if(sales > 10000 && sales <= 20000){
		document.getElementById("r").value = "8.75%";
		document.getElementById("c").value = sales * 8.75;
	}
	else if(sales > 20000 && sales <= 50000){
		document.getElementById("r").value = "11.75%";
		document.getElementById("c").value = sales * 11.75;
	}
	else if(sales > 50000){
		document.getElementById("r").value = "15.00%";
		document.getElementById("c").value = sales * 15;
	}
}
</script>
</head>
<body>
Enter total sales <input type="text" id="s" size="7" />
<button onclick="compute()">Compute</button>&nbsp;&nbsp;&nbsp;
Percent rate <input type="text" id="r" size="5" disabled value="0.00%" />
Commission <input type="text" id="c" size="10" disabled value="0.00" /></body>
</html>