function openKUKWindow() {
iMyWidth = (window.screen.width/2) - (250 + 25)
iMyHeight = (window.screen.height/2) - (250 + 25)
Fokus = window.open("", "KUK","height=600,width=700,resizable=yes,left=" + iMyWidth + ",top=" + iMyHeight + ",screenX=" + iMyWidth + ",screenY=" + iMyHeight + ",scrollbars=yes");
Fokus.focus()
}