waitUrl.js

// cscript waitUrl.js http://alm-build/TimeTracker/dev/test/favicon.ico

var url = WScript.Arguments(0);
var status = 0;
var WinHttpReq = new ActiveXObject('WinHttp.WinHttpRequest.5.1');
for (var i = 0; i < 30; i++) {
    WScript.Sleep(1000);
    WinHttpReq.Open('GET', url, false);
    WinHttpReq.Send();
    status = WinHttpReq.Status;
    if (status == 200) {
        break;
    }
}
WScript.Echo('Status: ' + status);
if (status != 200) {
   WScript.Quit(10);
}