var message="Copyright";

function clickIE(){
//alert(message);	
	if (document.all){
		return false;
	}
}
 
function clickNS(e) {
	if(document.layers||(document.getElementById&&!document.all)){
		if (e.which==2||e.which==3) {
			alert(message);
			return false;
		}
	}
}

if (document.layers)
{
	document.captureEvents(Event.MOUSEDOWN);
	document.  onmousedown=clickNS;

}
else
{
	document.onmouseup=clickNS;
	document.oncontextmenu  =clickIE;

}
 
document.oncontextmenu=new Function("return false")