function mainmenu()
{
$(" #nav ul ").css({display: "none"}); // Opera Fix
$(" #nav li").hover(
						function()
						{
							$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
							if(document.getElementById('container') != null)
							{
								on_off = on_off+1;
								hide_show_video('hideVideo');
							}
						},
						function()
						{
							$(this).find('ul:first').css({visibility: "hidden"});
							if(document.getElementById('container') != null)
							{
								on_off = on_off-1;
								hide_show_video('showVideo');
							}
						}
					);
}
 
 var what_now = 'video';
 var on_off = 0;
 var temp_container = 'null';
 var image_zaglushka = '<img src="/_images/video.png" width="320" height="260" />';
 
 $(document).ready(function(){					
	mainmenu();
});
 
 function hide_show_video(todo)
 {
	if(todo == 'hideVideo' && what_now =='video')
	{
		temp_container = document.getElementById('container').innerHTML;
		document.getElementById('container').innerHTML = image_zaglushka;
		what_now = 'image';
	}
	else if(todo == 'showVideo' && what_now =='image' && on_off == 0)
	{
		document.getElementById('container').innerHTML = temp_container;
		what_now = 'video';
	}
 }