var locKeysName = "lockeys";
/* NOT USED ANYMORE
function changeLocCookie(chkbox)
{
  var state = chkbox.checked;
  setLocKeysCookie(state);
  //location.reload(true);
  //Reload will give a message if a post was previously done and will also redo onload javascript
  location.replace(location.href);
}
*/

function changeDisplayMode(drpdown)
{
  var state = drpdown.options[drpdown.selectedIndex].value;
  setLocKeysCookie(state);
  //location.reload(true);
  //Reload will give a message if a post was previously done and will also redo onload javascript
  location.replace(location.href);
}



function setLocKeysCookie(flag) {
    if (flag >= 0)
    {
     	var date = new Date();
		date.setTime(date.getTime()+(30*24*60*60*1000)); // 30 days
		expires=date;
		//var value = 1;  
   
      document.cookie = locKeysName + "=" + escape(flag) +
        ((expires) ? "; path=/; expires=" + expires.toGMTString() : "")
    }
    else
    {
      var cookieVal = getLocKeysCookie();
      if (cookieVal=="1" || cookieVal=="0" || cookieValue=="2")
      {
        document.cookie = locKeysName + "=" +
            "; path=/; expires=Thu, 01-Jan-70 00:00:01 GMT";
      }
    }
}

function getLocKeysCookie() {
    var dc = document.cookie;
    var prefix = locKeysName + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return 0;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}