Habs eh nun selber herausgefunden
<input id="togglePre" type="checkbox" /> Autoplay!
<div class="play_btn" id="someLinkId" onclick="
<script>
function createCookie(name, value, days) {
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
var expires = "; expires=" + date.toGMTString();
}
else var expires = "";
document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1, c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
}
return null;
}
function eraseCookie(name) {
createCookie(name, "", -1);
}
$("input#togglePre").change(function() {
if ($(this).is(':checked')) {
$(document).ready(function() {
$('#someLinkId').click();
});
createCookie("pre", "prelight", 1000);
} else {
eraseCookie("pre", "prelight");
}
});
if (readCookie("pre")) {
$(document).ready(function() {
$('#someLinkId').click();
});
$('input#togglePre').attr('checked', 'checked');
}
</script>