Bread crumb in javascript - V2

//Bread crumb script

var path = "";
var href = document.location.href;
var s = href.split("/");
for (var i=2;i<(s.length-1);i++) {
path+=""+s[i]+" / ";
}
alert(path);
i=s.length-1;
path+=""+s[i]+"";
alert(path);
var url = window.location.protocol + "//" + path;
document.writeln(url);