Untitled

<html>
<head>

<form onsubmit="triggerCalc()">
 Username:<input type="text" id="userInput1" name="username"></input> <br>
 Password:<input type="password" id="userInput2" name="password"></input>  <br>
<br> Choose your genre: <br>
<input type="radio" name="genre" value="male">Male<br>
<input type="radio" name="genre" value="female">Female<br>
<br>Country:

<select name="Country">
<option value="Bulgaria">Bulgaria</option>
<option value="United States">United States</option>
</select> <br><br> I agree to the website's <a href="">license terms</a>
<input type="checkbox" value="checkbox1"><br><br>
<input type="submit" value="Continue..">
</form>


</head>
<body background="sky_107.bmp">
<script type="text/javascript">

var user = document.forms[0].username.value;
var pw = document.forms[0].password.value;

function triggerCalc(){
    if (pw.length < 5 && user.length < 3){
        alert("An error occured");
        }
    else  {
        alert("Thank you for registering to my website.");
        var action = prompt("Welcome to my calculator. For addition press 1, for substraction press 2, for multiplication press 3, for division press 4 and for square root press 5:", "");

        var firstNum = new Array();
        var secondNum = new Array();
        var result = new Array();

switch (action) {
    case "1":
        firstNum[0] = prompt("You chose addition. Please enter a number:", "");
        secondNum[0] = prompt("Now please enter another number", "");
        result[0] = firstNum[0]*1 + secondNum[0]*1;
        document.write("The result of the addition of " + firstNum[0] + " with " + secondNum[0] + " is: " + result[0]);
            break;

    case "2":
        firstNum[1] = prompt("You chose substraction. Please enter a number: ", "");
        secondNum[1] = prompt("Now please enter another number: ", "");
        result[1] = firstNum[1]*1 - secondNum[1]*1;
        document.write("The result of the substraction of " +  firstNum[1] + " with " + secondNum[1] + " is: " + result[1]);
            break;

    case "3":
        firstNum[2]= prompt("You chose multiplication. Please enter a number: ", "");
        secondNum[2] = prompt("Now enter another number:", "");
        result[2] = firstNum[2]*1 * secondNum[2]*1;
        document.write("The result of the multiplication of " + firstNum[2] + " with " + secondNum[2] + " is: " + result[2]);
            break;

    case "4":
        firstNum[3] = prompt("You chose divison. Please enter a number: ", "");
        secondNum[3] = prompt ("Now enter another number: ", "");
        result[3] = firstNum[3]*1 / secondNum[3]*1;
        document.write("The result of the division of " + firstNum[3] + " with " + secondNum[3] + " is: " + result[3]);
            break;

    case "5":
        var inputNum = prompt("You chose square root. Please enter a number: ", "");
        var rooted = Math.sqrt(inputNum);
        document.write("The square root of: " + inputNum + " is: " + rooted);
            break;
    default:
        document.write("You entered an invalid number. We will now show you our other features. Try again?");

    }
        }

}


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