var is_set = false;
var load_image = '';
var load_text = '';
var load_text1 = '';
function initView() {


  changeImage(load_image,load_text,load_text1);

}
function changeImage(aimg,atext,btext) {
        is_set = true;
        document.getElementById('main_img').src=aimg;
        document.getElementById('main_text').innerHTML=decode64(atext);
        document.getElementById('main_text1').innerHTML=decode64(btext);
}

function setImage(aimg,atext,btext) {
        is_set = true;
        load_image = aimg;
        load_text = atext;
        load_text1 = btext;
}

var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
function decode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;

   // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
   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;
}