// JavaScript Document

function disableselect(e){ 
return false 
} 
function reEnable(){ 
return true 
} 
document.onselectstart=new Function ("return false") 
if (window.sidebar){ 
document.onmousedown=disableselect 
document.onclick=reEnable 
} 

function izquierda(e) {
if (navigator.appName == 'Netscape' && (e.which == 1 || e.which == 2)){
alert(' ')
return false;
}
else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 1)){
alert(' ')
}
}
document.onmousedown=izquierda

function shant()
{
alert(' ')
}
document.onkeydown=shant;

document.oncontextmenu = function(){return false}