function okenko(sir,vys,adr){
	//okenko se statusem
	var xsirka=window.screen.width; var xvyska=window.screen.height;
	var xleft=Math.round((xsirka-sir)/2)

	var modif = 12;
	if (parseInt(vys)+150 > xvyska) modif = 42;
	var xtop=Math.round((xvyska-vys)/2)-modif

	if (adr.indexOf("/") > 0) {
		 var cc = adr.lastIndexOf("/")+1;
		  var jmn = adr.substr(cc, 4);
	}
	else {
		 var jmn = adr.substr(0, adr.indexOf("."));
	}

	var parametry = "left="+xleft+",top="+xtop+",width="+sir+",height="+vys+",toolbar=0,directories=0,menubar=0,scrollbars=yes,location=0,status=1,resizable=1"

	var okenko=window.open(adr,jmn,parametry);
	//return okenko;
}