utf-8编码转换成gb2312(7)

                       return  "";  
           }  

           return  bstr;  
}  

function  utf8codetochinesechar(strutf8)  
{  
   var  icode,  icode1,  icode2;  
   icode  =  parseint("0x"  +  strutf8.substr(1,  2));  
   icode1  =  parseint("0x"  +  strutf8.substr(4,  2));  
   icode2  =  parseint("0x"  +  strutf8.substr(7,  2));  

   return  string.fromcharcode(((icode  &  0x0f)  <<  12)    ¦    
                                                           ((icode1  &  0x3f)  <<    6)    ¦  
                                                           (icode2  &  0x3f));  
}  
alert(chinesefromutf8url("%e6%b5%8b%e8%af%95"))  
</script>[code]