function protect(e) {
	alert("Sorry, you don't have permission to right-click.");
	return false;
}

function trap() {
	if(document.images){
		for(i=0;i<document.images.length;i++){
			if (document.images[i].classname != 'clickthrough'){
				// alert("Image found with clickthrough set");
				// document.images[i].onmousedown = protect;
			}
		}
	}
}