// JavaScript Document

var ns  = (navigator.appName == "Netscape" );
var ie  = (navigator.appName == "Microsoft Internet Explorer");
var ver = parseFloat(navigator.appVersion);
var ns4 = (ns && (ver < 5));
var ns6 = (ns && (ver >= 5));

var windowWidth  = (ns)? window.innerWidth:  window.availWidth;
var windowHeight = (ns)? window.innerHeight: window.availHeight;


// right-click status
var rightclickenabled = false;

rightclick( rightclickenabled );


//----------------------------------------------
// Disable right-click
//----------------------------------------------
function rightclick( setenable )
{
   rightclickenabled = setenable;

   if (ns4)
   {
      document.captureEvents(Event.MOUSEDOWN);
      document.onmousedown   = clickNS;
   }
   else
   {
      document.onmouseup     = clickNS;
      document.oncontextmenu = clickIE;
   }

   document.onmouseover   = "window.status=''; return true";

   return rightclickenabled;
}

function clickIE()
{
   if (document.all)
      return rightclickenabled;
}

function clickNS(e)
{
   if (document.layers||(document.getElementById && !document.all))
   {
      if (e.which==2||e.which==3)
         return rightclickenabled;
   }
}