div#imghlavni
{	
	background:#fff url(../img/n_01_b.jpg) no-repeat top left;
	}
div#imglevy
{
	background: #fff url(../img/lide_5c.jpg) no-repeat top left;	
	}
div#imgpravy
{
	background:#fff url(../img/lide_01_a.jpg) no-repeat top right;
	}
#cert1,#cert2,#cert3,#cert4
{
	display:none;
}