Problem in playing video

Pic 1 and pic 2 are wht hapnd whn i start page…tht time this youtube video extensions are working good…and when clicking the side bar its good
pic 3-but when i click the button 1 to call the next video they played thn clicked the side bar extension its the video played above the side bar extension

image order i upload is wrong…now it is in the order 1>3>2