Changed Play/Stop button logic 

Now the Play/Stpp button will Start/Stop the video, while the other thumbs will only stop the video.

/*	Play/Stop button click triggering functionality */

$('.ProductTinyImageList ul, #videoDemoBtn').on('click', 'li', function() {
	        var playStopBtn = $('#videoDemoThumb, #videoDemoBtn');
	        	allThumbLinks = $('.prodThumbImage');
	        		        console.log(playStopBtn);
            if($(this).hasClass('videoPlaying') || $(this).is(allThumbLinks)) {
 		        $(allThumbLinks).removeClass('videoPlaying');
 		        $(playStopBtn).removeClass('videoPlaying');
		        $('.ProductThumb').find('#productDemoVideo').hide().html('');               

            } else if($(this).is(playStopBtn) && !$(this).hasClass('videoPlaying')) {
		        var ProductId = $('#productDemoVideo').attr('class'); 
				$(allThumbLinks).addClass('videoPlaying');
				$(playStopBtn).addClass('videoPlaying');
				// <source src="https://store-mixi7d.mybigcommerce.com/content/videos/'+ProductId+'.webm" type="video/webm">
				$('.ProductThumb').find('#productDemoVideo').show().html('<video id="demoVideo" class="video" preload="auto" autoplay="autoplay" loop="loop" autobuffer="autobuffer" muted="muted" controls="controls" width="100%" height="100%"><source src="https://store-mixi7d.mybigcommerce.com/content/videos/'+ProductId+'.mp4"><source src="https://store-mixi7d.mybigcommerce.com/content/videos/'+ProductId+'.ogv" type="video/ogg"><p>Your browser does not support this video.  Please upgrade your browser!</p></video>');
				$('#productDemoVideo').css('height', $('.ProductThumbImage').height()+'px');
				var video = document.getElementById('demoVideo');
				video.addEventListener('click',function(){
					video.play();
				},false);      

            } else /* if($(this).is(playStopBtn) || ) || */ {
                console.log("NOTHING IS HAPPENING") 

            }
            
         });

     });