Popup Window

I want to display a popup window while scrolling down the html page (when i reach to bottom of page).

Please help!

Code:

---

//popup window usage
//window.open('pageToDisplay','windowName','parameters');
//example
window.open('new_page.html', 'popup', 'height=100,width=100');

---

As for the rest of your question, I'm not sure what you are asking !