var message = "Thank you for visiting www.latrainer.com"; 
	function rtclickcheck(keyp)
	{ 
		if (navigator.appName == "Netscape" && keyp.which == 3)
			{ 	
				alert(message); 
				return false; 
			} 
		if (navigator.appVersion.indexOf("MSIE") != -1 && event.button == 2) 
			{ 	
				alert(message); 	
				return false; 
			}
	} 
	document.onmousedown = rtclickcheck;
	//window.history.forward(1);