// JavaScript Document

function encode64(inp){
    var key="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
    var chr1,chr2,chr3,enc3,enc4,i=0,out="";
    while(i < inp.length){
        chr1=inp.charCodeAt(i++);if(chr1>127) {chr1=88;}
        chr2=inp.charCodeAt(i++);if(chr2>127) {chr2=88;}
        chr3=inp.charCodeAt(i++);if(chr3>127) {chr3=88;}
        if(isNaN(chr3)) {enc4=64;chr3=0;} else {enc4=chr3&63;}
        if(isNaN(chr2)) {enc3=64;chr2=0;} else {enc3=((chr2<<2)|(chr3>>6))&63;} 
        out+=key.charAt((chr1>>2)&63)+key.charAt(((chr1<<4)|(chr2>>4))&63)+key.charAt(enc3)+key.charAt(enc4);
    }
    return encodeURIComponent(out);
}

function loginscript(formular) {
      var userbase64 = encode64("IV2005" + formular.username.value);
	  var passbase64 = encode64("IV2005" + formular.password.value);
	  var actionuri = "https://extranet.sachsenverlag.de/default.aspx?bn=" + userbase64 + "&"+"pw=" + passbase64;
	  formular.action = actionuri;
	  return true;
}