UserJS: Disable autoplay on LiveLeak.com. Move controls bar under the video

I made this script to disable autoplay feature for videos on LiveLeak.com
The script also stops the absurd and annoying behavior of putting the controls bar on top of the video thus obscuring the video itself.

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// ==UserScript==
// @name liveleak - disable autoplay ; Controlbar position below player, not on top
// @include *liveleak.com/*
// @author Drozdman
// ==/UserScript==



LL_player=function(){


var player= document.querySelector('object[type="application/x-shockwave-flash"]');
var player_new=player.cloneNode(true);


var param=player_new.getElementsByTagName("param");
for (var i in param) {
if (param[i].getAttribute("name") == "flashvars") {

var flashvars = param[i].getAttribute("value");
var flashvars_new =flashvars.replace('&controlbar.position=over','&controlbar.position=bottom').replace('autostart%3Dtrue','autostart%3Dfalse');
param[i].setAttribute("value",flashvars_new);

break;
}
} ;


player.parentNode.replaceChild(player_new,player)


}


window.addEventListener('DOMContentLoaded',LL_player)


//=========================================================================



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