<!--
function key(){ 
	if(event.shiftKey){
//		window.close();
	}
	//禁止shift
	if(event.altKey){
//		window.close();
	}
	//禁止alt
	if(event.ctrlKey){
//		window.close();
	}
	//禁止ctrl
	return false;
}
//document.onkeydown=key;
//if (window.Event)
//document.captureEvents(Event.MOUSEUP);
//swordmaple javascript article.
//from www.jx165.com
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;
	}
}
//禁止右键
document.oncontextmenu = nocontextmenu;  // for IE5+
document.onmousedown = norightclick;  // for all others
//-->
