// --- disabling text selection by ameer
function detectBrowser()
{
var browser=navigator.appName
var b_version=navigator.appVersion
var version=parseFloat(b_version)
if ((browser=="Microsoft Internet Explorer") && (version>=4))
  {//alert(browser)
  if (document.all)
 // document.onselectstart =  function () { return false; };
  }
else if((browser=="Netscape")&& (version>=4))
  {// alert(browser)
//document.onmousedown = function () { return false; };
  
 }
 
}
//-----------------

var isNS = (navigator.appName == "Netscape") ? 1 : 0;
var EnableRightClick = 0;
if(isNS) 
document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP);
function mischandler(){
  if(EnableRightClick==1){ return true; }
  else {alert("Right click option is prohibited");return false; }
}
function mousehandler(e){
  if(EnableRightClick==1){ return true; }
  var myevent = (isNS) ? e : event;
  var eventbutton = (isNS) ? myevent.which : myevent.button;
  if((eventbutton==2)||(eventbutton==3)) return false;
}
function keyhandler(e) {
  var myevent = (isNS) ? e : window.event;
  if (myevent.keyCode==96)
    EnableRightClick = 1;
  return;
}
//document.oncontextmenu = mischandler;
//document.onkeypress = keyhandler;
//document.onmousedown = mousehandler;
//document.onmouseup = mousehandler;