function menuSwich(id){
	var menu = document.getElementById(id);
	var dsp;
	if(!menu)return;
	hideAll();
	if(menu.style.display=="none"){
		dsp = "block";
	}else{
		dsp = "none";
	}
	menu.style.display=dsp;
}
function hideAll(){
	var i;
	var tagname ="table";
	var classname = "hyoo";
	var tags = document.getElementsByTagName(tagname);
	if(!tags)return;
	for(i=0;i<tags.length;i++){
		if(tags[i].className==classname){
			tags[i].style.display = "none";
		}
	}
}

{
hizuke = new Date();
yoobi = hizuke.getDay();
if (yoobi == 0) { kotae = '#niti' } 
else if (yoobi ==1) { kotae = '#getu' }
else if (yoobi ==2) { kotae = '#ka' }
else if (yoobi ==3) { kotae = '#sui' }
else if (yoobi ==4) { kotae = '#moku' }
else if (yoobi ==5) { kotae = '#kin' }
else if (yoobi ==6) { kotae = '#do' }

document.write('<style type="text/css"><!--');
document.write(kotae,'{ display: block; }');
document.write('--></style>');
}