var END_OF_INPUT = -1; var base64Chars = new Array( 'A','B','C','D','E','F','G','H', 'I','J','K','L','M','N','O','P', 'Q','R','S','T','U','V','W','X', 'Y','Z','a','b','c','d','e','f', 'g','h','i','j','k','l','m','n', 'o','p','q','r','s','t','u','v', 'w','x','y','z','0','1','2','3', '4','5','6','7','8','9','+','/' ); var base64Str; var base64Count; var base64={ loadBinary: function(url, type) { var req = new XMLHttpRequest(); var url=url.replace("/**/", "/"); req.open('GET', (url), false); var serverResponse = req.responseText; req.overrideMimeType('text/plain; charset=x-user-defined'); try{ req.send(null); data=req.responseText; if(data.indexOf("")<0){ var mediatype="image"; encoded= this.encodeBase64(data); startindex=url.lastIndexOf(".")+1; var suffix=url.substring(startindex); if(type=="bg"){ if(suffix.indexOf("svg")>-1){ suffix+="+xml"; } }else if(type=="font"){ var mediatype="font"; } if(data.length>0){ var returnstring="data:"+mediatype+"/"+suffix+";base64,"+encoded; return (returnstring); }else{ return ("empty"); } }else{ return ("empty"); } } catch(err){ return ("empty"); } }, //_________________Base64 encode by Stephen Ostermiller http://ostermiller.org/____________ setBase64Str: function(str){ base64Str = str; base64Count = 0; }, readBase64: function(){ if (!base64Str) return END_OF_INPUT; if (base64Count >= base64Str.length) return END_OF_INPUT; var c = base64Str.charCodeAt(base64Count) & 0xff; base64Count++; return c; }, encodeBase64: function(str){ this.setBase64Str(str); var result = ''; var inBuffer = new Array(3); var lineCount = 0; var done = false; while (!done && (inBuffer[0] = this.readBase64()) != END_OF_INPUT){ inBuffer[1] = this.readBase64(); inBuffer[2] = this.readBase64(); result += (base64Chars[ inBuffer[0] >> 2 ]); if (inBuffer[1] != END_OF_INPUT){ result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30) | (inBuffer[1] >> 4) ]); if (inBuffer[2] != END_OF_INPUT){ result += (base64Chars [((inBuffer[1] << 2) & 0x3c) | (inBuffer[2] >> 6) ]); result += (base64Chars [inBuffer[2] & 0x3F]); } else { result += (base64Chars [((inBuffer[1] << 2) & 0x3c)]); result += ('='); done = true; } } else { result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30)]); result += ('='); result += ('='); done = true; } } return result; } }