function mdec(input) {
   var keyStr = "ijklsZa012tFRSTUVWXY34mnopqwxyzGHIJKLr5CDEhf6789+ABgu/=bcdevMNOPQ";
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;
   input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

   do {
      enc1 = keyStr.indexOf(input.charAt(i++));
      enc2 = keyStr.indexOf(input.charAt(i++));
      enc3 = keyStr.indexOf(input.charAt(i++));
      enc4 = keyStr.indexOf(input.charAt(i++));

      chr1 = (enc1 << 2) | (enc2 >> 4);
      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
      chr3 = ((enc3 & 3) << 6) | enc4;

      output = output + String.fromCharCode(chr1);
      if (enc3 != 64) output = output + String.fromCharCode(chr2);
      if (enc4 != 64) output = output + String.fromCharCode(chr3);
   } while (i < input.length);
   return output;
}




function insertAfter(referenceNode, newNode ){
referenceNode.parentNode.insertBefore( newNode, referenceNode.nextSibling );
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
    try {
      if (oldonload) {
        oldonload();
      }
     } catch(err) {
     }
      func();
    }
  }
}