function getUserAgent() {
	uAgent = "";
	uAgent = navigator.userAgent;
		if((uAgent.indexOf("Safari") != -1)||(uAgent.indexOf("Opera") != -1)){
		uAgent = 1;
		} 
	return uAgent;
}

function topicsWindowOpen(){
	window.open('http://www.chitch.jp/topics/','topics','scrollbars=yes,width=470,height=650')
}