function popupWindow(url,sx,sy,pagetitle) 
{
    var winl = (screen.width-sx)/2;
    var wint = (screen.height-sy)/2;
    popupwin = window.open(url,"UBApopup","toolbar=no,location=no,directories=no,status=no,menubar=no,top="+wint+",left="+winl+",width="+sx+",height="+sy+"");
    //window.open(irö,name,
    //popupwin.document.write("<title>"+pagetitle+"</title>");
    //popupwin.document.location = url;
    //popupwin.document.close();
}