var clickmessage="Access Denied."
	function disableclick(e) {
		if (document.all) {
			if (event.button==2||event.button==3) {
				if (event.srcElement.tagName=="IMG"){
					alert(clickmessage);
					return false;
				}
			}
		}
		
		else if (document.layers) {
			if (e.which == 3) {
				alert(clickmessage);
				return false;
			}
		}
		else if (document.getElementById){
			if (e.which==3&&e.target.tagName=="IMG"){
				alert(clickmessage)
				return false
			}
		}
	}

	function associateimages(){
	for(i=0;i<document.images.length;i++)
		document.images[i].onmousedown=disableclick;
	}
	if (document.all)
		document.onmousedown=disableclick
	else if (document.getElementById)
		document.onmouseup=disableclick
	else if (document.layers)
	associateimages()