Untitled

<html>
  <head>
        <title>Input tutorial</title>
        <script language="javascript">

				function addNumbers()
                {
                        var val1 = parseInt(document.getElementById("value1").value);
                        var val2 = parseInt(document.getElementById("value2").value);
                        var ansD = document.getElementById("answer");
						ansD.value = val1 / val2;
              }
				{
				 if (value1,value2) = 0
				}
				else
				{
				document.write("Divide by 0");
				}

        </script>
  </head>
  <body>
        value1 = <input type="text" id="value1" name="value1" value="4"/>
        value2 = <input type="text" id="value2" name="value2" value="2"/>

        <input type="button" name="Sumbit" value="Click here" onclick="javascript:addNumbers()"/>
        Answer = <input type="text" id="answer" name="answer" value=""/>
  </body>
</html>