//Mouse Special back buttons trap code start
function PreventBrowserBack(){
    window.location.hash="1";
    window.location.hash="2";
}

PreventBrowserBack();

$(window).on('hashchange', function() {
     window.location.hash="1";

});

function ApproveBrowserBack(){
    window.location.hash="1";
    window.location.hash="2";
}
//Mouse Special back buttons trap code End
document.onmousedown = function disableclick(event){
if(event.button==2)
 {
   alert("Right Click is not allowed");
   return false;
 }
};