var win=null;
function popUp(linkpage,w,h) {
  LeftPosition=(screen.width)?(screen.width-w)/2:100;
  TopPosition=(screen.height)?(screen.height-h)/2:100;
  win=window.open(linkpage, 'Content', 'toolbars=0, scrollbars=1, location=0, statusbars=0, menubars=0, resizable=1, width='+w+', height='+h+', left = '+LeftPosition+', top = '+TopPosition+'');
  if(win.focus) {
    win.focus();
  }
}
function CloseNewWin() {
  if(win!=null && win.open)win.close()
}