var $result=$('#result');
var number=0;
var isDown=0;
var delay=250;
var nextTime=0;
requestAnimationFrame(watcher);
$("button").mousedown(function(e){handleMouseDown(e);});
$("button").mouseup(function(e){handleMouseUp(e);});
$("button").mouseout(function(e){handleMouseUp(e);});
function handleMouseDown(e){
// tell the browser we're handling this event
e.preventDefault();
e.stopPropagation();
// Put your mousedown stuff here
isDown=(e.target.id=='Add')?1:-1;
}
function handleMouseUp(e){
// tell the browser we're handling this event
e.preventDefault();
e.stopPropagation();
// Put your mouseup stuff here
isDown=0;
}
function watcher(time){
requestAnimationFrame(watcher);
if(time