function setCookie(name, value, expires, path, domain, secure)
	{
	    document.cookie= name + "=" + escape(value) +
	        ((expires) ? "; expires=" + expires.toGMTString() : "") +
	        ((path) ? "; path=" + path : "") +
	        ((domain) ? "; domain=" + domain : "") +
	        ((secure) ? "; secure" : "");
	}
	
	function getCookie(name)
	{
	    var dc = document.cookie;
	    var prefix = name + "=";
	    var begin = dc.indexOf("; " + prefix);
	    if (begin == -1)
	    {
	        begin = dc.indexOf(prefix);
	        if (begin != 0) return null;
	    }
	    else
	    {
	        begin += 2;
	    }
	    var end = document.cookie.indexOf(";", begin);
	    if (end == -1)
	    {
	        end = dc.length;
	    }
	    return unescape(dc.substring(begin + prefix.length, end));
	}

	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";
	    }
	}