function getObj(obj) {
	return document.all ? document.all[obj] : document.getElementById(obj);
}

function initialize_page() {

    autotabs(); // Add js to html-tabs

	var treeimgs = document.getElementsByTagName('IMG');

	for (var i = 0; i < treeimgs.length; ++i) {
		var re = /^expand_(\d+_\d+)$/;
		var res = re.exec(treeimgs[i].id);
		if (res) {
			//treeimgs[i].src = '/css/plus.gif';
			treeimgs[i].expand_ul = 'ul_' + res[1];
			treeimgs[i].onclick = function () { toggle_visibility(this,this.expand_ul); };

		}
	}

}