Please help me in intergating he youtube in the html page

please help me in the inergation of the youtube in the webpage
is attached

but on the double clicking it will show frst the video but on the clicking the video1 hiper link it shows
ytplayer is undifined

please help
this code is copied and save as samle .html and just pen in the html that all i did is ther e weberver needed to do the program to work
please help me what is the problem how can i use a search a video by the same

please help me if any has done through the steps

Use this, it works for me.