var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789=";

function openWin(url)
{
   var newWin = window.open(url,"","resizable=yes,menubar=yes,toolbar=yes,width=790,height=450,scrollbars=yes");
}

function trim(s)
{
	return (s.replace(/^\s*/,'').replace(/\s*$/,''));
}

function de(input) {
  var output = "";
  var chr1, chr2, chr3 = "";
  var enc1, enc2, enc3, enc4 = "";
  var i = 0;

  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) {
		c = String.fromCharCode(chr3);
		if(c != '>') output = output + String.fromCharCode(chr3);
	 }

	 chr1 = chr2 = chr3 = "";
	 enc1 = enc2 = enc3 = enc4 = "";
	 

  } while (i < input.length);

  return unescape(output);
}