function Trim(str) {
  var x = 0;
  while(str.charAt(x) == ' ') ++x;
  return str.substring(x,str.length);
}

function GetCookie(Name) {
  var cookiefound = false;
  var start = 0;
  var end = 0;
  var cookiestring = document.cookie;
  var i = 0;
  var found = false;
  var n='';
  var v='';
  var t=''; 
  start = document.cookie;
  while (i <= document.cookie.length) {
    if((end = start.indexOf(";",i)) != -1) {
      t = start.substring(i,end);
      i = end+1;
      if((end = t.indexOf("=")) > -1) {
        n = Trim(t.substring(0,end));
        v = Trim(t.substring(end+1,t.length));
      } else {
        n = Trim(t);
        v = '';
      }
      if(n == Name) return v;				
    } else {
      if(i == document.cookie.length)
        break;
      t = start.substring(i,document.cookie.length);
      i = end+1;
      if((end = t.indexOf("=")) > -1) {
        n = Trim(t.substring(0,end));
        v = Trim(t.substring(end+1,t.length));
      } else {
        n = t;
        v = '';
      }
      i=document.cookie.length;
      if(n == Name) return v;
    }
  }
  return "";
}