function yaunclick()
{
alert('No touch! Ne pas prendre ces images SVP');
}
function noclick(scx)
{
if (navigator.appName == "Netscape" &&scx.which == 3)
{
yaunclick();
return false;
}
if (navigator.appVersion.indexOf("MSIE") != -1 && event.button 
== 2)
{
yaunclick();
return false;
}
}
document.onmousedown = noclick