/*
//½ûÖ¹CTRL¼ü
 function rf()
      {return false; }
    document.oncontextmenu = rf
    function keydown()
      {if(event.ctrlKey ==true || event.keyCode ==93 || event.shiftKey ==true){return false;} }
      document.onkeydown =keydown
    function drag()
      {return false;}
    document.ondragstart=drag 
    
//½ûÖ¹Êó±êÓÒ¼üÅÌ
       var message="";
///////////////////////////////////
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if 
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
document.oncontextmenu=new Function("return false")


//½ûÖ¹COPY

*/
function base64decode(str) {
var base64DecodeChars = new Array(
       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
       -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
       52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
       -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
       15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
       -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
       41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);
       var c1, c2, c3, c4,i,len,out;
       len = str.length;
       i = 0;
       out = "";
       while(i < len) {
              do { c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
              } while(i < len && c1 == -1);
              if (c1 == -1) break;
              do {
                     c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
              } while(i < len && c2 == -1);
              if (c2 == -1) break;
              out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4));
              do {
                     c3 = str.charCodeAt(i++) & 0xff;
                     if (c3 == 61)  return out;
                     c3 = base64DecodeChars[c3];
              } while(i < len && c3 == -1);
              if(c3 == -1) break;
              out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2));
              do {
                     c4 = str.charCodeAt(i++) & 0xff;
                     if(c4 == 61) return out;
                     c4 = base64DecodeChars[c4];
              } while(i < len && c4 == -1);
              if(c4 == -1) break;
              out += String.fromCharCode(((c3 & 0x03) << 6) | c4);
       }
       return trim(out); 
}

function trim(str)
{
    return str.replace(/(^\s*)|(\s*$)/g, "");
}