function kumaImage(){
	var rand = Math.floor(Math.random() * 3) + 1;
	if(rand == 1){
		img = "http://blog-imgs-26.fc2.com/n/i/c/nicologi/kuma.jpg";
	}else if(rand == 2){
		img = "http://blog-imgs-26.fc2.com/n/i/c/nicologi/kuma_tests.jpg";
	}else if(rand == 3){
		img = "http://blog-imgs-26.fc2.com/n/i/c/nicologi/kuma3.jpg";
	}
	document.write("<img src=\"" + img + "\" alt=\"自画像\" />");
}

function kumaMessage(){
	w = (new Date()).getDay();
	if(w == 0 || w == 6){
		document.write("日曜日の昼下がり、家でダラダラ見てるといいクマ。");
	}else{
		document.write("昼休みに会社のPCで見るといいクマ。");
	}
}