function popopen(url,name,popW,popH,scroll) {
	var winleft = (screen.width - popW) / 2;
	var winUp = (screen.height - popH) / 2;
	winPop = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',scrollbars='+scroll+',resizable'
	Win = window.open(url, name, winPop)
	Win.window.focus();
}

function closeWindow() {
	self.close()
}

var radioWindow = nul;

function checkRadio() {
	alert(radioWindow);
	if (radioWindow) radio.focus();
	else  openRadio();
}

function openRadio() {
	var radioWindow = popopen('audio.html','radio','200','50','no');
}


var popupWin = null;

function openPopup() {
	var url = "audio.html";
	popupWin = open( "", "popupWin", "width=200,height=100" );
	if( !popupWin || popupWin.closed || !popupWin.doSomething ) {
		popupWin = window.open( url, "popupWin", "width=500,height=400" );
	} else popupWin.focus();
}

function doSomething() {
	 openPopup();
	 popupWin.doSomething();
}

function DHTMLSound(surl) {
  document.getElementById("dummyspan").innerHTML=
    "<embed src='"+surl+"' hidden=true autostart=true loop=false>";
}