function showPoolImg()
{
	var url = 'http://krakow.pl//images/sonda/20080704.jpg';
if(navigator.userAgent.indexOf("MSIE") != -1)
{
     var left = ((document.body.offsetWidth / 2).toFixed(0)-300)+"px";
}
else
{
     var left = ((window.innerWidth / 2)-300)+"px";
}
	var Win = window.open(url,"Obraz",'width=320,height=420,left='+left+',top=150px,resizable=0,scrollbars=yes,menubar=no');
	Win.focus();
}