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, expires, path, domain, secure)
{

    var todayDate = new Date()
    todayDate.setDate( todayDate.getDate() + expires );
    var argv = setCookie.arguments;
    var argc = setCookie.arguments.length;
    var expires = (2 < argc) ? argv[2] : null;
    var path = (3 < argc) ? argv[3] : null;
    var domain = (4 < argc) ? argv[4] : null;
    var secure = (5 < argc) ? argv[5] : false;
    document.cookie = name + "=" + escape (value) +
    	((expires == null) ? "" : ("; expires=" + todayDate.toGMTString())) +
    	((path == null) ? "" : ("; path=" + path)) +
    	((domain == null) ? "" : ("; domain=" + domain)) +
    	((secure == true) ? "; secure" : "");

}

function setCookieMinute(name, value, expires, path, domain, secure)
{
    var todayDate = new Date()
    todayDate.setMinute( todayDate.getMinute() + expires );
    var argv = setCookie.arguments;
    var argc = setCookie.arguments.length;
    var expires = (2 < argc) ? argv[2] : null;
    var path = (3 < argc) ? argv[3] : null;
    var domain = (4 < argc) ? argv[4] : null;
    var secure = (5 < argc) ? argv[5] : false;
    document.cookie = name + "=" + escape (value) +
    	((expires == null) ? "" : ("; expires=" + todayDate.toGMTString())) +
    	((path == null) ? "" : ("; path=" + path)) +
    	((domain == null) ? "" : ("; domain=" + domain)) +
    	((secure == true) ? "; secure" : "");
}

function DeleteCookie (name,path,domain) {
  if (GetCookie(name)) {
    document.cookie = name + "=" +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}