!-- var first, second, num1, num2, total; document.writeln("This is a javascript program where you can add the values of 2 integers. Users are allowed to input values from a command prompt dialog box and then the total will be displayed on the page. To try it again, just refresh the page. Thank you!"); first=window.prompt("Enter first number", "0"); second=window.prompt("Enter second number", "0"); num1=parseInt(first); num2=parseInt(second); total=num1+num2; document.writeln("The sum is "+ total+"");//...