function onClickBtn(btnName){
	
	var txt = document.getElementById("tv");
	var tUrl="";
	
	txt.innerHTML = "";
	
	if (btnName=='cocorobi') {
		
		tUrl="<div class='tv'><object width='380' height='325'><param name='movie' value='http://www.youtube.com/v/iaOAdHmGP-w'></param><embed src='http://www.youtube.com/v/iaOAdHmGP-w' type='application/x-shockwave-flash' width='380' height='325'></embed></object></div>";
		
	} else if (btnName=='denwa') {
		
		tUrl="<div class='tv'><object width='380' height='325'><param name='movie' value='http://www.youtube.com/v/Or7QRQmWxfU'></param><embed src='http://www.youtube.com/v/Or7QRQmWxfU' type='application/x-shockwave-flash' width='380' height='325'></embed></object></div>";
		
	} else if (btnName=='art') {
		
		tUrl="<div class='tv'><object width='380' height='325'><param name='movie' value='http://www.youtube.com/v/ANtJS-mjkbM'></param><embed src='http://www.youtube.com/v/ANtJS-mjkbM' type='application/x-shockwave-flash' width='380' height='325'></embed></object></div>";
	
	} else if (btnName=='hipno') {
		
		tUrl="<div class='tv'><object width='380' height='325'><param name='movie' value='http://www.youtube.com/v/v27yBvroWeI'></param><embed src='http://www.youtube.com/v/v27yBvroWeI' type='application/x-shockwave-flash' width='380' height='325'></embed></object></div>";
	
	}
	
	txt.innerHTML = tUrl;
	
}