function right(e) {

var msg = "right-clicking on images is not permitted.";

if (navigator.appName == 'Netscape' && e.which == 3) {

alert(msg);

return false;

}

if (navigator.appName == 'Microsoft Internet Explorer' && event.button==2) {

alert(msg);

return false;

}

else return true;

}

function trapclick()

{

if(document.images)

{

for(i=0;i<document.images.length;i++)

{

document.images[i].onmousedown = right;

document.images[i].onmouseup = right;

}

}

}