function pokaz(fname,x) {

if (document.getElementById('fota').style.visibility=='hidden') {
if (x==null) x=480;
document.fsrc.src=fname;
pozY =(document.body.scrollTop||document.documentElement.scrollTop);
if (pozY<350) {
pozY=350;
document.body.scrollTop=280;
document.documentElement.scrollTop=280;
}

document.getElementById('fota').style.visibility='visible';
document.getElementById('fota').style.width=780+'px';
document.getElementById('fota').style.height=x+'px';
document.getElementById('fota').style.top=pozY+'px';

if (document.getElementById('baner_srodek')) document.getElementById('baner_srodek').style.visibility='hidden';
 
}
else {
document.fsrc.src="img/load.gif";
document.getElementById('fota').style.visibility='hidden';
document.getElementById('fota').style.width=1+'px';
document.getElementById('fota').style.height=1+'px';

if (document.getElementById('baner_srodek')) document.getElementById('baner_srodek').style.visibility='visible';
}
}