text: var Base64 = {
  
  	_keyStr:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
  
  	encode:function(e){
  		var t="";
  		var n,r,i,s,o,u,a;
  		var f=0;
  		e=Base64._utf8_encode(e);
  
  		while(f<e.length){
  			n=e.charCodeAt(f++);
  			r=e.charCodeAt(f++);
  			i=e.charCodeAt(f++);
  			s=n>>2;
  			o=(n&3)<<4|r>>4;
  			u=(r&15)<<2|i>>6;
  			a=i&63;
  
  			if(isNaN(r)){
  				u=a=64
  			}else if(isNaN(i)){
  				a=64
  			}
  
  			t=t+this._keyStr.charAt(s)+this._keyStr.charAt(o)+this._keyStr.charAt(u)+this._keyStr.charAt(a)
  		}
  
  		return t
  	},
  
  	decode:function(e){
  		var t="";
  		var n,r,i;
  		var s,o,u,a;
  		var f=0;
  		e=e.replace(/[^A-Za-z0-9+/=]/g,"");
  
  		while(f<e.length){
  			s=this._keyStr.indexOf(e.charAt(f++));
  			o=this._keyStr.indexOf(e.charAt(f++));
  			u=this._keyStr.indexOf(e.charAt(f++));
  			a=this._keyStr.indexOf(e.charAt(f++));
  			n=s<<2|o>>4;
  			r=(o&15)<<4|u>>2;
  			i=(u&3)<<6|a;
  			t=t+String.fromCharCode(n);
  
  			if(u!=64){
  				t=t+String.fromCharCode(r)
  			}
  
  			if(a!=64){
  				t=t+String.fromCharCode(i)
  			}
  		}
  
  		t=Base64._utf8_decode(t);
  		return t
  	},
  
  	_utf8_encode:function(e){
  		e=e.replace(/rn/g,"n");
  		var t="";
  
  		for(var n=0;n<e.length;n++){
  			var r=e.charCodeAt(n);
  
  			if(r<128){
  				t+=String.fromCharCode(r)
  			}else if(r>127&&r<2048){
  				t+=String.fromCharCode(r>>6|192);
  				t+=String.fromCharCode(r&63|128)
  			}else{
  				t+=String.fromCharCode(r>>12|224);
  				t+=String.fromCharCode(r>>6&63|128);
  				t+=String.fromCharCode(r&63|128)
  			}
  		}
  
  		return t
  	},
  
  	_utf8_decode:function(e){
  		var t="";
  		var n=0;
  		var r=c1=c2=0;
  
  		while(n<e.length){
  			r=e.charCodeAt(n);
  
  			if(r<128){
  				t+=String.fromCharCode(r);
  				n++
  			}else if(r>191&&r<224){
  				c2=e.charCodeAt(n+1);
  				t+=String.fromCharCode((r&31)<<6|c2&63);
  				n+=2
  			}else{
  				c2=e.charCodeAt(n+1);
  				c3=e.charCodeAt(n+2);
  				t+=String.fromCharCode((r&15)<<12|(c2&63)<<6|c3&63);
  				n+=3
  			}
  		}
  		return t
  	}
  }