function launchvideos() {
  var x=parseInt(screen.width/2)-320;
  var y=parseInt(screen.height/2)-300;
  externalplayer=window.open("/core/media?service=externalplayer&nowplaying=/media/lc1.flv","External","left="+x+",top="+y+",width=850,height=600,resizable=false,menubar=false,statusbar=false");
}
function notimplemented() {
  alert("This feature is coming soon!");
}