// JavaScript Document
function openWindow(sirka,vyska) {
	window.open(" ", "open_nahled", "width=700,height=600,scrollbars=yes,menubar=no,resizable=yes,left=10,top=10");
}

function centerWindow(){
	focus();
	var x=((screen.width)/2)-350;
	var y=((screen.height)/2)-300;
	moveTo(x,y);
}