var system ={
	   win : false,
	   mac : false,
	   xll : false
	   };


	/*检测平台*/
	   var p = navigator.platform;
	   system.win = p.indexOf("Win") == 0;
	   system.mac = p.indexOf("Mac") == 0;
	   system.x11 = (p == "X11") || (p.indexOf("Linux") == 0);
	   /*跳转语句*/
	   if(system.win||system.mac||system.xll){
	   }else{
		window.location="https://m.antpedia.com/ibook/p/130980.html";
	   }