var gNavi = "";

gNavi += '<div id="gNaviCocolog">';

gNavi += '<h1><a href="http://www.nifty.com/cgi-bin/cl?cocolog_header2_niftop?http://www.nifty.com/"><img src="http://www.cocolog-nifty.com/common_header/images/gnavi_logo_nifty.gif" alt="アット・ニフティ" width="64" height="21" border="0" class="nifLogo" /></a><a href="http://www.nifty.com/cgi-bin/cl?cocolog_header2_cocologtop?http://www.cocolog-nifty.com/"><img src="http://www.cocolog-nifty.com/common_header/images/gnavi_logo_cocolog.gif" alt="ココログ" width="88" height="21" border="0" /></a></h1>';



gNavi += '<p>&nbsp;&nbsp;&nbsp;&nbsp;<a href="http://www.nifty.com/cgi-bin/cl?cocolog_header2_cocologtoptxt?http://www.nifty.com/">@niftyトップ</a>&nbsp;|&nbsp;<a href="http://www.nifty.com/cgi-bin/cl?cocolog_header2_cocologstart?http://www.cocolog-nifty.com/start/index.htm">ココログに新規登録</a>&nbsp;|&nbsp;<a href="http://www.nifty.com/cgi-bin/cl?cocolog_header2_cocologlogin?http://www.cocolog-nifty.com/login/">ログイン</a></p><form id="form1" name="form1" method="get" action="http://search.nifty.com/cgi-bin/search.cgi" onsubmit="checkAndDoSiteSearch(this)"><label for="gNaviRadioWeb"><input id="gNaviRadioWeb" name="radiobutton" type="radio" value="web" checked="checked" />web全体</label>&nbsp;<label for="gNaviRadioSite"><input id="gNaviRadioSite" name="radiobutton" type="radio" value="site" />サイト内</label>&nbsp;<input name="text" type="text" class="textbox1" />&nbsp;<input type="hidden" name="select" value="45" /><input type="hidden" name="ss" value="cchd_' + getSubDomain() + '" /><input id="gNaviSubmit" name="submitBtn" type="submit" value="検索" /></form>';

gNavi += '</div>';



function checkAndDoSiteSearch(element){

	if(document.getElementById('gNaviRadioSite').checked){

		var input = document.createElement('input');

		input.id = "site_hidden_field";

		input.type = "hidden";

		input.name = "text";

		input.value = "site:" + getDomain();

		element.appendChild(input);

	} else {

		var childElement = document.getElementById('site_hidden_field');

		if(childElement){

			element.removeChild(childElement);

		}

	}

}



function getDomain(){

	var url = location.href;

	url.search(/(http:\/\/[^\/]+\/)/);

	return RegExp.$1;

}



function getSubDomain(){

	var url = location.href;

	url.search(/http:\/\/([^\.]+)\./);

	return RegExp.$1;

}



var gNaviHead = document.getElementsByTagName( 'head' );

var gNaviHeadLink=document.createElement( 'link' );

gNaviHeadLink.rel="stylesheet";

gNaviHeadLink.type="text/css";

gNaviHeadLink.href= 'http://www.cocolog-nifty.com/common_header2/gnavi.css';

gNaviHead[0].appendChild( gNaviHeadLink );

document.write(gNavi);