function startPlayer(playItem, playlist, siteContext, siteName) {
switch (siteContext) {
case 'livefromrussia': var basePath = 'http://www.livefromrussia.org'; 		break;
case 'flagship': var basePath = 'http://flagship.americancouncils.org'; 	break;
case 'textbooks': var basePath = 'http://textbooks.americancouncils.org'; 	break;
case 'sasha': var basePath = 'http://textbooks.americancouncils.org';       break;
}
var playerWindow=window.open(basePath+"/mediaplayer/externalPlayerWindow.php?item="+playItem+"&siteContext="+siteContext+"&playlist="+playlist+"&siteName="+siteName,"player","width=720,height=420,titlebar=0,toolbar=0,statusbar=0,menubar=0, status=0,directories=0,status=0,scrollbars=0,resizable=0");
playerWindow.focus();
}