//popup begin
var win = null;
function popwin(mypage,myspeed,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2.2 : 0;   //Ha a (screen.width-w)/2.2 : 0; centerbe igazít Ha a (screen.width-w)/2.2 : 0; balra igazít fixen
TopPosition = (screen.height) ? (screen.height-h)/2.2 : 0;  //Ha a (screen.height-h)/2.2 : 0; akkor az ablak képernyő közepére Ha a  (screen.height-h)/0 : 0; akkor az ablak Topra
settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',noresiz'
win = window.open(mypage,myspeed,settings) }