function   utf8(wide)   {  
      var   c,   s;  
      var   enc   =   "";  
      var   i   =   0;  
      while(i<wide.length)   {  
          c=   wide.charCodeAt(i++);  
          //   handle   UTF-16   surrogates  
          if   (c>=0xDC00   &&   c<0xE000)   continue;  
          if   (c>=0xD800   &&   c<0xDC00)   {  
              if   (i>=wide.length)   continue;  
              s=   wide.charCodeAt(i++);  
              if   (s<0xDC00   ||   c>=0xDE00)   continue;  
              c=   ((c-0xD800)<<10)+(s-0xDC00)+0x10000;  
          }  
          //   output   value  
          if   (c<0x80)   enc   +=   String.fromCharCode(c);  
          else   if   (c<0x800)   enc   +=   String.fromCharCode(0xC0+(c>>6),0x80+(c&0x3F));  
          else   if   (c<0x10000)   enc   +=   String.fromCharCode(0xE0+(c>>12),0x80+(c>>6&0x3F),0x80+(c&0x3F));  
          else   enc   +=   String.fromCharCode(0xF0+(c>>18),0x80+(c>>12&0x3F),0x80+(c>>6&0x3F),0x80+(c&0x3F));  
      }  
      return   enc;  
  }  
   
  var   hexchars   =   "0123456789ABCDEF";  
   
  function   toHex(n)   {  
      return   hexchars.charAt(n>>4)+hexchars.charAt(n   &   0xF);  
  }  
   
  var   okURIchars   =   "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-";  
   
  function   encodeURIComponentNew(s)   {  
      var   s   =   utf8(s);  
      var   c;  
      var   enc   =   "";  
      for   (var   i=   0;   i<s.length;   i++)   {  
          if   (okURIchars.indexOf(s.charAt(i))==-1)  
              enc   +=   "%"+toHex(s.charCodeAt(i));  
          else  
              enc   +=   s.charAt(i);  
      }  
      return   enc;  
  }
  //²âÊÔ
  //alert(encodeURIComponentNew("ÖÐÎÄ"))  
  //alert(decodeURIComponent(encodeURIComponentNew("ÖÐÎÄ")))