function menuwrite(){
	var thispage=this.location.href;
	var str='<ul>';
	
	if (thispage.match('index.html')){
	str+='<li><img src="./images/bt_sdtv_on.gif" alt="Super!dramaTV" /></li>';
	}else{
	str+='<li><a href="index.html"><img src="./images/bt_sdtv.gif" alt="Super!dramaTV" onmouseover="this.src=\'./images/bt_sdtv_on.gif\'" onmouseout="this.src=\'./images/bt_sdtv.gif\'" /></a></li>';
	}
	
	if (thispage.match('terrestrial.html')){
	str+='<li><img src="./images/bt_terrestrial_on.gif" alt="terrestrial" /></li>';
	}else{
	str+='<li><a href="terrestrial.html"><img src="./images/bt_terrestrial.gif" alt="terrestrial" onmouseover="this.src=\'./images/bt_terrestrial_on.gif\'" onmouseout="this.src=\'./images/bt_terrestrial.gif\'" /></a></li>';
	}
	
	document.write(str);
}