var i=0;
$("#video").bind("timeupdate", function()
{
var currentTime = this.currentTime;
if(currentTime > 0.66*(this.duration))
{
if(i<1)
{
/* Watched 66% */
ga('send', 'event', 'Videos', 'Watched','Video Title');
}
i=i+1; //Reset for duplicates
}
});