Create a Web page named double.html whose HEAD includes the Doublelt function. The page should contain a text box with an initial value of $1$ and a button labeled "Double It$".$ When the user clicks the button, the Doublelt function should be called to double the contents of the text box$/$If you start with a value of $1$ in the text box, how many times must you click the button before the displayed value exceeds $500?$ How many times to exceed $1000?$