function rf()
    {
      return false; 
    }
    document.oncontextmenu = rf;
    function keydown()
    {
		if(event.ctrlKey ==true || event.keyCode ==93)
		{
			return false;
		} 
	}
    document.onkeydown = keydown;
    function drag()
    {
		return false;
	}
    document.ondragstart=drag ;
	function stopmouse(e) 
	{ 
		if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2))  
 			return false; 
		else if(navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3)) 
		{  
 			alert("欢迎光临恒强制衣有限公司！");
			return false;  
 		}
		return true; 
    } 
    document.onmousedown=stopmouse;  
    if (document.layers) 
		window.captureEvents(Event.MOUSEDOWN); 
    window.onmousedown=stopmouse;