function popup(url,w,h,title){
var x=(screen.availWidth-w)/2;
var y=(screen.availHeight-h)/2;
var win=window.open('', 'Preview','resizeable=1,width='+w+',height='+h+',left='+x+',top='+y+'');
win.document.open();
win.document.write('');
win.document.write('');
win.document.write('');
win.document.write('Podgl±d - '+title+'');
win.document.write('');
win.document.write('');
win.document.write('');
win.document.write('');
win.document.write('| ');
win.document.write(' | ');
win.document.write('
');
win.document.write('
');
win.document.write('');
win.document.write('');
win.document.close();
}