var used='';

function IsEmail(str){
    var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)")
    var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$")
    return (!r1.test(str) && r2.test(str))
}

function setCookie(name,value,days,path,domain,secure) {
  var expires, date;
  if (typeof days == "number") {
    date = new Date();
    date.setTime( date.getTime() + (days*24*60*60*1000) );
        expires = date.toGMTString();
  }
  document.cookie = name + "=" + escape(value) +
    ((expires) ? "; expires=" + expires : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
}

function getCookie(name) {
  var nameq = name + "=";
  var c_ar = document.cookie.split(';');
  for (var i=0; i<c_ar.length; i++) {
    var c = c_ar[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameq) == 0) return unescape( c.substring(nameq.length, c.length) );
  }
  return null;
}

function getCookieByName(name) {
   var cookie = " " + document.cookie;
   var search = " " + name + "=";
   var setStr = null;
   var offset = 0;
   var end = 0;
   if (cookie.length > 0) {
      offset = cookie.indexOf(search);
      if (offset != -1) {
         offset += search.length;
         end = cookie.indexOf(";", offset)
         if (end == -1) {
            end = cookie.length;
         }
         setStr = unescape(cookie.substring(offset, end));
      }
   }
   return(setStr);
}

function setCookieOnDate (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function removeCookieByName(name){
   var dateExp = new Date((new Date().getTime()-3600000));
   setCookie(name, null, dateExp.toGMTString());
}

function selClock(a1,a2,flash1,flash2){
   var el = document.getElementById(flash1);
   if(!el) return;
   el.style.display="block";

   el = document.getElementById(flash2);
   if(!el) return;
   el.style.display="none";

   var obj     = document.getElementById(a1);
   obj.className = (a1=="aa1") ? "active123" : "active321";

   var obj     = document.getElementById(a2);
   obj.className = "";
}