F=new Array();
function NF(datei,b,h,nr){b=b+20;h=h+30;
LP=(screen.width) ? (screen.width-b-20)/2 : 0;
TP=(screen.height) ? (screen.height-h-30)/2 : 0;
F[nr]=window.open("http://www.kunst-am-bau.at/"+datei,"f"+nr,"width="+b+",height="+h+",scrollbars=no,left="+LP+",top="+TP);
F[nr].focus();}