哪位高手能把这段java代码转换成JS代码？比较急。。。十分感谢！

Question

//楼主试下
 var wi = ["3","7","9","10","5","8","4","2"];
 var ai = ['0','1','2','3','4','5','6','7','8','9','A', 
              'B','C','D','E','F','G','H','I','J','K','L',   
              'M','N','O','P','Q','R','S','T','U','V','W', 
              'X','Y','Z'];
var getAi = function(s){
for(var i = 0;   i   <   35;   i++){ 
if   (ai[i]   ==   s){ 
return   bi[i]; 
}
}; 
        return   ""; 
};
var dwdmjym = function( dwdm,rechar){ 
        var   ModResult; 
        var   sum   =   0; 
        var   s,   h; 
        for(var   j   =   0;   j   <   dwdm.length()   -   1;   j++){ 
        s   =   getAi(dwdm.charAt(j)); 
        if   (s == ""){ 
        return   false; 
        } 
        else 
        { 
        sum   +=   parseInt(s)   *   parseInt(wi[j]);   
        } 
        } 
        ModResult   =   sum   %   11; 
        switch(ModResult){ 
            case   1:   rechar[0]   =   'X';   break; 
            case   0:   rechar[0]   =   '0';   break; 
            default: 
                    h   =   new String(11   -   ModResult); 
                    rechar[0]   =   h.charAt(0); 
        } 
        
        return   true; 
        }         var dwdmjy = function(  dwdm){ 
        var   rechar   =  ['1']; 
        var  rs; 
        var   tempdwdm   =   ""; 
        for(var   i   =   0;   i   <   8;   i++){ 
        tempdwdm   +=   dwdm.charAt(i); 
        } 
        rs   =   dwdmjym(tempdwdm,   rechar); 
        if(rs){ 
        if   (rechar[0]   !=   dwdm.charAt(8)) 
            return   false; 
        else 
            return   true; 
        } 
        else 
        return   false; 
        
        
        }