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

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 SetCookie (name, value) {
  var argv = SetCookie.arguments;
  var argc = SetCookie.arguments.length;
  var expires = (argc > 2) ? argv[2] : null;
  //var path = (argc > 3) ? argv[3] : null;
  var path = '/';
  var domain = (argc > 4) ? argv[4] : null;
  var secure = (argc > 5) ? argv[5] : false;
  document.cookie = name + "=" + escape (value) +
    ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
    ((path == null) ? "" : ("; path=" + path)) +
    ((domain == null) ? "" : ("; domain=" + domain)) +
    ((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) {
  var exp = new Date();
  exp.setTime (exp.getTime() - 1);  // This cookie is history
  var path = '/';
  var cval = GetCookie (name);
  document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString() + "; path=" + path;
}

function clear_ck(){
   var thePath='/';
	 var Then  = new Date();        
   var Now   = new Date();
	 SiteAccess= new String(Math.round(Now.getTime()/1000));
	 ExpireNow = new String(Now.toGMTString());
	 Then.setTime(Then.getTime() + 480 * 60 * 1000);
	 ExpireLater = new String(Then.toGMTString());
	 document.cookie = "edc=00:"+SiteAccess+";path="+thePath+";expire="+ExpireLater+";";
}

function clear_qc(){
   var thePath='/';
	 var Then  = new Date();        
   var Now   = new Date();
	 SiteAccess= new String(Math.round(Now.getTime()/1000));
	 ExpireNow = new String(Now.toGMTString());
	 Then.setTime(Then.getTime() + 480 * 60 * 1000);
	 ExpireLater = new String(Then.toGMTString());
	 document.cookie = "qc=00;path="+thePath+";expire="+ExpireLater+";";
}

function clear_url(){
   var thePath='/';
	 var Then  = new Date();        
   var Now   = new Date();
	 SiteAccess= new String(Math.round(Now.getTime()/1000));
	 ExpireNow = new String(Now.toGMTString());
	 Then.setTime(Then.getTime() + 480 * 60 * 1000);
	 ExpireLater = new String(Then.toGMTString());
	 document.cookie = "url=;path="+thePath+";expire="+ExpireLater+";";
}

function clear_qcl(){
   var thePath='/';
	 var Then  = new Date();        
   var Now   = new Date();
	 SiteAccess= new String(Math.round(Now.getTime()/1000));
	 ExpireNow = new String(Now.toGMTString());
	 Then.setTime(Then.getTime() + 480 * 60 * 1000);
	 ExpireLater = new String(Then.toGMTString());
	 document.cookie = "qcl=0;path="+thePath+";expire="+ExpireLater+";";
}