function fonctions_de_la_page_desactivees() {
event.touche_pas_a_ma_page = true
event.returnValue = false;
return false;
}

function click_droit_desactive(e) {
	if (window.Event) {
		if (e.which == 2 || e.which == 3) {
		return false;
		}
	}
	else {
		if (event.button == 2 || event.button == 3) {
		event.touche_pas_a_ma_page = true
		event.returnValue = false;
		return false;
		}
	}
}

if (window.Event) {
document.captureEvents(Event.MOUSEUP); 
}

document.oncontextmenu = fonctions_de_la_page_desactivees; 
document.onmousedown = click_droit_desactive;