var p1 = document.getElementById("item1");
var p2 = document.getElementById("item2");
var p3 = document.getElementById("item3");
-s.setPosition(p1, 0);
+s.collapse(p1, 0);
document.execCommand("FormatBlock", false, "pre");
-s.setPosition(p2, 0);
+s.collapse(p2, 0);
document.execCommand("FormatBlock", false, "h1");
-s.setPosition(p3, 0);
+s.collapse(p3, 0);
document.execCommand("FormatBlock", false, "address");
Markup.dump("test", "After FormatBlock");