function disableselect(e){
	return false
}

function reEnable(){
	return true
}

function click() {
	if (event.button==2) {
		alert ('Este boton esta deshabilitado.')
	}
}

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