function click(e)
{
	if (document.all)
	{
		if (event.button==1||event.button==2||event.button==3)
		{
			oncontextmenu='return false';
		}
	}
	if (document.layers)
	{
		if (e.which == 3)
		{
			oncontextmenu='return false';
		}
	}
}

if (document.layers)
{
	document.captureEvents(Event.MOUSEDOWN);
}

document.onmousedown=click;
document.oncontextmenu = new Function("return false;")

var travel=true
var hotkey=17   /* hotkey即为热键的键值,是ASII码,这里99代表c键 */

if (document.layers)
{
	document.captureEvents(Event.KEYDOWN)
}

function gogo(e)
{
	if (document.layers)
	{
		if (e.which==hotkey&&travel)
		{
//			alert("^_*操作错误.或许是您按错了按键!"); 
			return false;
		}
	}
	else if (document.all)
	{
		if (event.keyCode==hotkey&&travel)
		{
//			alert("^_*操作错误.或许是您按错了按键!"); 
			return false;
		}
	}
}

document.onkeydown=gogo;
document.onselectstart = function (){return false;}
document.oncopy = function (){return false;}