识别移动端类型

        function IsPC() {  
           var userAgentInfo = navigator.userAgent;  
           var Agents = new Array("Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod");  
           var flag = true;
           for (var v = 0; v < Agents.length; v++) {
               if (userAgentInfo.indexOf(Agents[v]) > 0) {
                   flag = false;
                   break;
               }
           }
           return flag;
        }