function obrazek(cesta) {
	window.open('/obrazek.php?img=' + cesta,'obrazekiscs','width=200,height=200');
}

function portfolio_open() {
	window.open('http://www.ifondy.cz/sis.php','ifondy','height=480,width=640,scrollbars=yes,resizable=yes, status=yes,help=yes,backgroundcolor=white' );
}