function noKey() 
			{ 							
				if (event.keyCode == 13) 
					return false; 				
				if (window.event.srcElement.type == 'text' || window.event.srcElement.type == 'textarea' || window.event.srcElement.type == 'password')
					return true;	
				if (event.keyCode == 8 || event.keyCode == 116) 
					return false; 
			} 
function nocontextmenu() 
			{ 
				event.cancelBubble = true 
				event.returnValue = false; 
				return false; 
			} 

function norightclick(e) 
			{ 
				if (window.Event) 
					{ 
						if (e.which == 2 || e.which == 3) 
							return false; 
					} 
				else 
					if (event.button == 2 || event.button == 3) 
						{ 
							event.cancelBubble = true 
							event.returnValue = false; 
							return false; 
						} 
			} 
				
if (document.layers) { 
		document.captureEvents(Event.MOUSEDOWN); 
} 

//document.oncontextmenu = nocontextmenu; 
//document.onmousedown = norightclick; 
//document.onmouseup = norightclick; 				
document.onkeydown = noKey;