var win = null;
function reproductor(mypage){
var direccion = 'http://www.domiradio.com/player.php?id='+mypage;
var myname = 'domiplayer';
var w = '630'; 
var h = '445';
var scroll = 'no';
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll
win = window.open(direccion,myname,settings)
}