var oLastBtn = 0;
bIsMenu = false;
// No RIGHT CLICK************************
// ****************************
function clickIE4() {
	if (event.button == 2) {
		return false;
	}
}

function clickNS4(e) {
	if (document.layers || document.getElementById && !document.all) {
		if (e.which == 2 || e.which == 3) {
			return false;
		}
	}
}

if (document.layers) {
	document.captureEvents(Event.MOUSEDOWN);
	document.onmousedown = clickNS4;
} else if (document.all && !document.getElementById) {
	document.onmousedown = clickIE4;
}

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

// document.oncontextmenu = nocontextmenu;
// document.onmousedown = norightclick;

// **************************************
// ****************************
// Block backspace onKeyDown************
// ***************************
function onKeyDown() {
	alert(event.target);
	alert(event.target.type);
	if ((event.altKey)
			|| ((event.keyCode == 8) && (event.srcElement.type != "text"
					&& event.srcElement.type != "textarea" && event.srcElement.type != "password"))
			|| ((event.ctrlKey) && ((event.keyCode == 78) || (event.keyCode == 82)))
			|| (event.keyCode == 116) || (event.keyCode == 122)) {
		event.keyCode = 0;
		event.returnValue = false;
	}
}

function onKeyDown(event) {	
	var key;
	if (event.which)
		key = event.which;
	else if (event.keyCode)
		key = event.keyCode;
		
	if ((event.altKey)
			|| ((key == 8) && (event.target.type != "text"
					&& event.target.type != "textarea" && event.target.type != "password"))
			|| ((event.ctrlKey) && ((key == 78) || (key == 82)))
			|| (key == 116) || (key == 122)) {
		return false;
	}
}