function focusRoot2(){
	if(!window.opener || window.opener.closed){ 
		window.open('http://www.caretta.jp/')
	}
	else{
		window.opener.focus();
	}
}

function focusRoot(){	
	if ((navigator.userAgent.indexOf("Mac") > -1))
	{
		if (window.opener) window.opener.focus(); else window.open("http://www.caretta.jp/", "root");
	}else{
		
		if(navigator.userAgent.indexOf("MSIE") != -1){
			if (!window.opener.closed) window.opener.focus(); else window.open("http://www.caretta.jp/", "root");
		}
		else if(navigator.userAgent.indexOf("Firefox") != -1){
			if (window.opener) window.opener.focus(); else window.open("http://www.caretta.jp/", "root");
		}else{
			if (!window.opener.closed) window.opener.focus(); else window.open("http://www.caretta.jp/", "root");
		}
	}
}