// Beveiliging

<!--
var win = null;
function doPopup(mypage, myname, w, h, scroll) {
  LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
  TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
  settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
  win = window.open(mypage,myname,settings)
}
//-->

document.onselectstart = new Function('return false')
function ds(e) { return false; }
function ra() { return true; }
document.onmousedown = ds;
document.onclick = ra;
/*
    <!--
      if (window.Event) // Only Netscape will have the CAPITAL E.
      document.captureEvents(Event.MOUSEUP); // catch the mouse up event
      function nocontextmenu()  // this function only applies to IE4, ignored otherwise.
      {
       event.cancelBubble = true
       event.returnValue = false;
       return false;
      }
      function norightclick(e) // This function is used by all others
      {
      if (window.Event) // again, IE or NAV?
      {
      if (e.which == 2 || e.which == 3)
      return false;
      }
      else
      if (event.button == 2 || event.button == 3)
      {
      event.cancelBubble = true
      event.returnValue = false;
      return false;
      }

      }
document.oncontextmenu = nocontextmenu;  // for IE5+
document.onmousedown = norightclick;  // for all others
      //-->
*/