/*禁止右键*/
function click(e) {
	if (document.all) {
		if (event.button==2)
		{
			alert("欢迎光临东莞粤通调查服务有限公司!");
			oncontextmenu='return false';
		}
		if (event.button==1||event.button==3) {
			oncontextmenu='return false';
		}
	}
	if (document.layers) {
		if (e.which == 3) {
		alert("欢迎光临东莞粤通调查服务有限公司!");
		oncontextmenu='return false';
		}
	}
}
if (document.layers) {
	document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=click;
document.oncontextmenu = new Function("return false;");
document.onselectstart = new Function("return false;");
document.ondragstart = new Function("return false;");