function validateCard(pId, field){        var arrVerifyCode = [1,0,"x",9,8,7,6,5,4,3,2];        var Wi = [7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2];        var Checker = [1,9,8,7,6,5,4,3,2,1,1];        if(pId.length != 15 && pId.length != 18){         return false;        }        var Ai=pId.length==18 ?  pId.substring(0,17)   :   pId.slice(0,6)+"19"+pId.slice(6,16);        if (!/^\d+$/.test(Ai)){         return false;        }        var yyyy=Ai.slice(6,10) ,  mm=Ai.slice(10,12)-1  ,  dd=Ai.slice(12,14);        var d=new Date(yyyy,mm,dd) ,  now=new Date();         var year=d.getFullYear() ,  mon=d.getMonth() , day=d.getDate();        if (year!=yyyy || mon!=mm || day!=dd || d>now || year<1900){         return false;        }        for(var i=0,ret=0;i<17;i++)  ret+=Ai.charAt(i)*Wi[i];            Ai+=arrVerifyCode[ret %=11];             return pId.length ==18 && pId != Ai?false:true;