Need Help – Cannot Edit Page

Working with schools CMS system and adding the following code to page without looking and being fast:

[code]<script type=”text/javascript”>
adroll_adv_id = “3IXZTB7SK5FJFBOJPP34RR”;
adroll_pix_id = “3M2DIGAMBBHR5OVSKDUTSE”;
(function () {
var oldonload = window.onload;
window.onload = function(){
__adroll_loaded=true;
var scr = document.createElement(“script”);
var host = ((“https:” == document.location.protocol) ? “https://s.adroll.com” : “http://a.adroll.com”);
scr.setAttribute(‘async’, ‘true’);
scr.type = “text/javascript”;
scr.src = host + “/j/roundtrip.js”;
((document.getElementsByTagName(‘head’) || [null])[0] ||
document.getElementsByTagName(‘script’)[0].parentNode).appendChild(scr);
if(oldonload){oldonload()}};
}());
</script>[/code]

I just put it above my header and now have this page that I can no longer edit or make the changes. Please help me undo this error.

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