function myBase64Decode(str, is_binary) {
	var result = "";
	var i = 0;
	var x;
	var shiftreg = 0;
	var count = -1;

	
	for (i=0; i < str.length; i++) {
		c = str.charAt(i);
		if ('A' <= c && c <= 'Z')
			x = str.charCodeAt(i) - 65;
		else if ('a' <= c && c <= 'z')
			x = str.charCodeAt(i) - 97 + 26;
		else if ('0' <= c && c <= '9')
			x = str.charCodeAt(i) - 48 + 52;
		else if (c == '+')
			x = 62;
		else if (c == '/')
			x = 63;
		else
			continue;

		count++;

		switch (count % 4)
		{
		case 0:
			shiftreg = x;
			continue;
		case 1:
			v = (shiftreg<<2) | (x >> 4);
			shiftreg = x & 0x0F;
			break;
		case 2:
			v = (shiftreg<<4) | (x >> 2);
			shiftreg = x & 0x03;
			break;
		case 3:
			v = (shiftreg<<6) | (x >> 0);
			shiftreg = x & 0x00;
			break;
		}

		if (!is_binary && (v < 32 || v > 126) && (v != 0x0d) && (v != 0x0a)) 
		{
			result = result + "<";
			result = result + "0123456789ABCDEF".charAt((v/16)&0x0F);
			result = result + "0123456789ABCDEF".charAt((v/1)&0x0F);
			result = result + ">";
		}
		else
			result = result + String.fromCharCode(v);

	}
	return result.toString();
}


function getCookieVal (offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
    endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}

function GC (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
      return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break; 
  }
  return null;
}

function GetCookie (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
      return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break; 
  }
  return null;
}

function getTargetURL() {
  var path = document.location.search;
  var target = path.substring( path.indexOf("targeturl")+10, path.length);
  return target;
}