IE4plus = (document.all) ? true : false;
	NS4 = (document.layers) ? true : false;

	function clickIE(){
		//return false;
	}

	function clickNS(e){
		if (e.which==2 || e.which==3) {
			//return false;
		}
 	}
 
	if (!IE4plus) {
		document.captureEvents(Event.MOUSEDOWN || Event.MOUSEUP);
		document.onmousedown=clickNS;
		document.onmouseup= clickNS;
		document.oncontextmenu=clickIE; // For NS 6+
	} else {
		document.onmouseup= clickIE;
		document.oncontextmenu=clickIE;
	}

  function MM_findObj(n, d) { //v4.01
    var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
      d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
    if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    if(!x && d.getElementById) x=d.getElementById(n); return x;
  }
  
  function MM_showHideLayers() { //v6.0
    var i,p,v,obj,args=MM_showHideLayers.arguments;
    for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
      if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
      obj.visibility=v; }
  }