 : "";
						time = Math.abs(Math.round(time / 1000));
						var seconds = time % 60;
						var minutes = Math.floor( time / 60 ) % 60 ;
						var hours = Math.floor( time / ( 60 * 60 )) ;
						hrEl.innerHTML = sign + zeroPadInteger( hours );
						if (hours == 0) {
							hrEl.classList.add( 'mute' );
						}
						else {
							hrEl.classList.remove( 'mute' );
						}
						minEl.innerHTML = ':' + zeroPadInteger( minutes );
						if (hours == 0 && minutes == 0) {
							minEl.classList.add( 'mute' );
			