function getCookie(NameOfCookie)
    {
        if (document.cookie.length > 0)
        {
            begin = document.cookie.indexOf( NameOfCookie + "=" );
            if (begin != -1)
            {
                begin += NameOfCookie.length + 1;
                end = document.cookie.indexOf( ";", begin);
                if ( end == -1 ) { end = document.cookie.length; }
                return document.cookie.substring( begin, end );
            } else { return null; }
        }
    }

    function setCookie( NameOfCookie, expiredays )
    {
        var value = getCookie( NameOfCookie );
        if (!value) { value = 0;}
        if ( parseInt(value) <= maxMegjelenes )
        {
            value = parseInt( value ) + 1;
            var ExpireDate = new Date ();
            ExpireDate.setTime( ExpireDate.getTime() + ( expiredays * 24 * 3600 * 1000 ) );
            document.cookie = NameOfCookie + "=" + escape( value ) + ";path=/" + ( ( expiredays == null ) ? "" : "; expires=" + ExpireDate.toGMTString() );
        }
        return value;
    }

    function incCookie( NameOfCookie, expirehours )
    {
        var ExpireDate = new Date ();
        var value = getCookie( NameOfCookie );
        if (!value) { value = 1; } else { value = parseInt( value ) + 1; }
        ExpireDate.setTime( ExpireDate.getTime() + ( expirehours * 3600 * 1000 ) );
        document.cookie = NameOfCookie + "=" + escape( value ) + ( ( expirehours == null ) ? "" : "; expires=" + ExpireDate.toGMTString() );
        return value;
    }

    function createCookie(name,value,days) {
	    if (days) {
	        var date = new Date();
	        date.setTime(date.getTime()+(days*24*60*60*1000));
	        var expires = "; expires="+date.toGMTString();
	    }
	    else var expires = "";
	    document.cookie = name+"="+value+expires+"; path=/";
	}

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

        function eraseCookie(name) {
            createCookie(name,"",-1);
        }