function SWOpen(url, kam){
			window.open( url, kam, 'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=555,height=550,titlebar=no' ) ; 
}

function SWOpen2(url, kam, sirkaOkna, vyskaOkna){
	var x1 = (screen.availWidth - sirkaOkna) / 2;
	var y1 = (screen.availHeight - vyskaOkna) / 2;
  	popupWin = window.open(url, kam,  'menubar=0,toolbar=0,location=0,directories=0,status=0,scrollbars=0,resizable=0,dependent'
	+ ',width=' + sirkaOkna + ',height=' + vyskaOkna + ',left=' + x1 + ',top=' + y1 + '')
}


function SWOpen3(url, kam, sirkaOkna, vyskaOkna){
	var x1 = (screen.availWidth - sirkaOkna) / 2;
	var y1 = (screen.availHeight - vyskaOkna) / 2;
  	popupWin = window.open(url, kam,  'menubar=0,toolbar=0,location=0,directories=0,status=0,scrollbars=1,resizable=0,dependent'
	+ ',width=' + sirkaOkna + ',height=' + vyskaOkna + ',left=' + x1 + ',top=' + y1 + '')
	popupWin.focus();
}