(function() {

function show_menu() {
	var menu = '\
<center style="background-color: white;">\
<a target="_self" href ="./?m=it">[情報通信]</a>\
<a target="_self" href ="./?m=po">[政治経済]</a>\
<a target="_self" href ="./?m=sp">[スポーツ]</a>\
<a target="_self" href ="./?m=ka">[海外反応]</a>\
<a target="_self" href ="./?m=ma">[ま&nbsp;&nbsp;と&nbsp;&nbsp;め]</a>\
</center>\
';

    var elem = document.getElementById('common_menu');
    if (elem) elem.innerHTML = menu;
}


var idx = 1;
function load_script() {
	var elemsc = document.createElement('script');
	var elemhead = document.getElementsByTagName('head')[0];
	elemsc.src = './?script=' + idx++;
	elemsc.setAttribute('id', 'ACXScriptTag');


	// 既存のノードを削除
	if (document.getElementById('ACXScriptTag')) {
		var old = document.getElementById('ACXScriptTag');
	    var parentelem = old.parentNode;
	    parentelem.removeChild(old);
	}

	// elemhead.appendChild(elemsc);
	elemhead.insertBefore(elemsc, elemhead.firstChild);
	
    var timerid;
    timerid = setTimeout(load_script, 30 * 1000);
}


function init() {
	show_menu();
	load_script();
}

window.addEventListener("load", init, false);
})();