function pokaz_duze(theURL,winName,w,h)
{
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+''
pop = window.open(theURL,winName,settings);
pop.document.write('');
pop.document.write('DEL ARTE');
pop.document.write('');
pop.document.write('');
}