function mainImg()
{	_img = document.getElementById('main_image');
	
	_img.style.backgroundImage = 'url('+_img.src+')';
	_img.src = '/imgs/teefers.gif';
	
}
function swapvid(_id)
{	if(_id == 1 )
	{	$('mainvid').src='http://www.youtube.com/embed/3l0SuJxw0YA?rel=0';
		$$('#videos h3')[0].innerHTML = 'Meet Dr. Trettenero';
	}
	else if(_id == 2 )
	{	$('mainvid').src='http://www.youtube.com/embed/3XcPrEj9m8U?rel=0';
		$$('#videos h3')[0].innerHTML = 'Dr. Trettenero\'s Office Tour';
	}
	else if(_id == 3 )
	{	$('mainvid').src='http://www.youtube.com/embed/HPdurQgrXAs?rel=0';
		$$('#videos h3')[0].innerHTML = 'Painless Injections';
	}
	else if(_id == 4 )
	{	$('mainvid').src='http://www.youtube.com/embed/Z7TLpAygnY4?rel=0';
		$$('#videos h3')[0].innerHTML = 'NBC News 3M Digital Impressions';
	}
	else if(_id == 5 )
	{	$('mainvid').src='http://www.youtube.com/embed/PsUpHycwGrQ?rel=0';
		$$('#videos h3')[0].innerHTML = 'Fast & Efficient';
	}
	else if(_id == 6 )
	{	$('mainvid').src='http://www.youtube.com/embed/0i_ri89ocw0?rel=0';
		$$('#videos h3')[0].innerHTML = 'Cerec Restorations';
	}
	else if(_id == 7 )
	{	$('mainvid').src='http://www.youtube.com/embed/-raimxhu1rw?rel=0';
		$$('#videos h3')[0].innerHTML = 'Lava Scanner';
	}
}