//Paste the code into script tag
function show_popup()
{
var p=window.createPopup();
var pbody=p.document.body;
pbody.style.backgroundColor="lime";
pbody.style.border="solid black 1px";
pbody.innerHTML="This is a pop-up! Click outside the pop-up to close.";
p.show(150,150,200,50,document.body);
}