var state;
function play(){
if(player.controls.isavailable('play')){
player.controls.play();
state=setInterval("updatetime()",1000);
}
}
function pause(){
if(player.controls.isavailable('pause')){
player.controls.pause();
clearInterval(state);
}
}
function stop(){
if(player.controls.isavailable('stop')){
player.controls.stop();
clearInterval(state);
}
}