function okno(obrazek, titul, width, height){
var ix=20;
var iy=45;
var browserwidth=0, browserheight=0;
var x = 0, y = 0;
if (document.all) {
browserwidth=document.body.offsetWidth;
browserheight=document.body.offsetHeight;
y = (browserwidth-width)/2;
//+window.screenTop;
x = (browserheight-height)/2;
//+window.screenLeft;
}
else {
// x = window.screenX + width/2;
browserwidth=window.innerWidth;
browserheight=window.innerHeight;
x = (browserwidth-width)/2+window.screenX;
y = (browserheight-height)/2+window.screenY;
}
var ww = window.open('','Obrazek','menubar=no,resizable=no,resize=no,toolbar=no,scrollbars=no,width='+width+',height='+height+',top='+y+',screenY='+y+',left='+x+',screenX='+x);
ww.document.writeln("");
ww.document.writeln("");
ww.document.writeln(""+titul+"");
ww.document.writeln("");
ww.document.writeln("");
ww.document.writeln("");
ww.document.writeln("");
ww.document.writeln("