JS: Winpopup for Internet Explorer

var oPopup = window.createPopup();

function ButtonClick()

{

    var oPopBody = oPopup.document.body;

    oPopBody.style.backgroundColor = "lightyellow";

    oPopBody.style.border = "solid black 1px";

    oPopBody.innerHTML = "Click outside <B>popup</B> to close.";

    oPopup.show(100, 100, 180, 25, document.body);

}