function pre() {

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  var nhead = document.getElementsByTagName('head')[0];

  ns.setAttribute('type', 'text/javascript');

  ns.setAttribute('src', 'modules/jquery.js');

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}

document.onload = pre();

function hider() {

	$("#jalousie > *").filter("div").slideToggle("normal");

}

defer(function(){ $("#jalousie > *").filter("div").slideUp("normal"); });