// class要素の追加・変更
function setElmClsById(elem, value) {
	if ( document.getElementById ) {
		var obj = document.getElementById( elem );
		if ( obj ) {
			obj.className = value;
		}
	}
}

function menuAct( obj, cls ) {
	
	setElmClsById( obj, cls );
}

function winOpen($url,$win_name,$height,$width,$l,$t,$status,$toolbar,$menubar,$location,$scrollbars,$resizable) {
	var $status='height='+$height+',width='+$width+',status='+$status+',toolbar='+$toolbar+',menubar='+$menubar+',location='+$location+',resizable='+$resizable+',scrollbars='+$scrollbars+',screenX='+$l+',screenY='+$l+',left='+$l+',top='+$l;
	window.open($url,$win_name,$status);
}

function set_volume( vol ) {
	
    kigen = new Date();
    kigen.setTime( kigen.getTime() + ( 365 * 1000 * 60 * 60 * 24 ) );
    kigen2 = kigen.toGMTString();
　　document.cookie = "volume=" + vol + ";expires=" + kigen2;
	
}

function set_mute( vol ) {
	
    kigen = new Date();
    kigen.setTime( kigen.getTime() + ( 365 * 1000 * 60 * 60 * 24 ) );
    kigen2 = kigen.toGMTString();
　　document.cookie = "mute=" + vol + ";expires=" + kigen2;
	
}