//---GIRDS
		var midX = wid/2;
		var mystatus = '';
		var myct=0;
		var mylen=10;
		var tracker = new clm.tracker();


		//---VIDEO
		function videoSetupEx(){
			fsize=Math.floor(wid/20);
			context2.font = 'bold ' + fsize + 'px serif';
			context2.textAlign = 'left';
			context2.fillStyle  = 'yellow';
			videoStatus('init face recognition');
			tracker.init();
			videoStatus('status:OK');      
			tracker.start(myvideo);
		}
		function videoLoopEx() {
			//context2.clearRect(0,0,wid, hei);
			context2.beginPath() ;
			context2.drawImage(myvideo, 0, 0, wid, hei);
			

			
			
			context2.moveTo(midX,0);
			context2.lineTo(midX, hei);
			context2.stroke();
			
			var pos = tracker.getCurrentPosition();
			if(pos.length>0){
				context2.strokeStyle   = 'red';
				var facex = Math.round(pos[62][0])*fUpdatedSizeH;
				var facey = Math.round(pos[62][1])*fUpdatedSizeV;
				var facewid = Math.round(pos[13][0] - pos[1][0]) * fUpdatedSizeH;
				facex = facex - facewid/2;
				facey = facey - facewid/2;
				context2.strokeRect(facex, facey, facewid, facewid);
				
				nowstatus='';
				if((facex+facewid)<midX){
					nowstatus='right';
				}else if(facex>midX){
					nowstatus='left';
				}
				
				if(nowstatus == 'right' && (mystatus == 'left' || mystatus == '')){
					mystatus=nowstatus;
					myct=myct+0.5;
				}
				if(nowstatus == 'left' && (mystatus == 'right' || mystatus == '')){
					mystatus=nowstatus;
					myct=myct+0.5;
				}
			}
			
			context2.fillStyle  = 'yellow';
			if(myct >= mylen){
				context2.fillText('Congrats!',20,20);
			}else{
				context2.fillText('Webcam Yoga Counter:' + myct + '/' + mylen + '\r\n' + mystatus,20,20);
			}
			
			mycontext.drawImage(canvas2,0,0,srcwid,srchei);
		}