function popup_img(url, size_w, size_h, scroll) {
new_size_w = Number(size_w)+10;
new_size_h = Number(size_h)+45;
popup_left = Math.round((screen.availWidth-new_size_w)/2);
popup_top = Math.round((screen.availHeight-new_size_h)/2);
msg=open("","POPUPObrazek","scrollbars="+scroll+",toolbar=no,directories=no,width="+new_size_w+",height="+new_size_h+",menubar=no, top="+popup_top+", left="+popup_left+"");
msg.document.close();
msg.document.write("Vercon");
msg.document.write("");
msg.document.write("![Zamknij Okno]("+url+")
");
msg.document.write("");
msg.resizeTo(new_size_w,new_size_h);
msg.focus();
};