function rollOn(n)
{
 if (versOk)
        {
	   light=eval(n+"2.src");
           document [n].src=light;
        }
}

function rollOff(n)
{
 if (versOk)
        {
           dark=eval(n+"1.src");
           document [n].src=dark;
        }
}


var okienko= null;

function okno(link,name,x)
{
	if (!okienko || okienko.closed)
		{
		okienko=window.open(link,name,'directories=no, location=no, menubar=no, scrollbars=yes, status=no, toolbar=no, resizable=1, width=' + x + ', height=' + (screen.height-120) + ', left='+(screen.width/2-x/2)+', top=10');
		}
	okienko.focus();
}