Cisco CCNA course quiz access (if window.open is blocked)

var a = document.createElement("a");
a.appendChild(document.createTextNode("Open Quiz"));
a.href = ref + "?path=" + path;
a.target = "_blank"
document.getElementsByTagName("body")[0].appendChild(a);
window.scrollBy(0,50); //make link visible
//var ptwin = window.open(ref+"?path="+path, "quizwin", "status=0,toolbar=0,location=0,menubar=0,directories=0,scrollbars=0,resizable=1,width="+w+",height="+h);