<body> | |
<script> | |
function request(type) { | |
var client = new XMLHttpRequest, | |
identifier = type == "tag" ? Math.random() : new Date().toGMTString(), | |
url = "fake_responses.py?" + type + "=" + identifier | |
client.open("GET", url, false) | |
client.send(null) | |
client.open("GET", url, false) | |
client.setRequestHeader(type == "tag" ? "If-None-Match" : "If-Modified-Since", identifier) | |
client.send(null) | |
} | |
if(window.parent.setup_iframe) { | |
window.parent.setup_iframe(); | |
request("tag"); | |
} | |
</script> | |
</body> |