function BrRotator(){
    this.cookieName = "lastShowedBanerNr"
    this.queue = new Array()
    this.addBaner = function(url, target, type, graphicsParams, flashvars){
        var ob = new Object()
        ob.url = url
        ob.target = target
        ob.type = type
        ob.graphicsParams = graphicsParams
        ob.flashvars = flashvars
        this.queue[this.queue.length] = ob
    }
    this.readCookie = function(name){
        var search = name + "=";
        var ret = null;
        if (document.cookie && document.cookie.length > 0) {
            var offset = document.cookie.indexOf(search);
            if (offset != -1) {
                offset += search.length;
                var end = document.cookie.indexOf(";", offset);
                if (end == -1) 
                    end = document.cookie.length;
                ret = unescape(document.cookie.substring(offset, end));
            };
                    };
        return ret;
    };
    this.setCookie = function(cookieName, cookieValue, nDays){
        var today = new Date();
        var expire = new Date();
        if (nDays == null || nDays == 0) 
            nDays = 1;
        expire.setTime(today.getTime() + 3600000 * 24 * nDays);
        document.cookie = cookieName + "=" + escape(cookieValue) + ";expires=" + expire.toGMTString() + " ;path=/";
    }
    this.setHTML = function(nr, htmlId){
        var asOb = this.queue[nr]
        if (asOb.type == "flash") {
            try {
                var emb = new PluginEmbeder()
            } 
            catch (e) {
                alert("Required plugin - embeder")
            }
            try {
                for (var el in asOb.graphicsParams) {
                    emb.addAttribute(el, asOb.graphicsParams[el])
                }
                if (typeof(asOb.flashvars) == "object") {
                    for (var el in asOb.flashvars) {
                        emb.addVariable(el, asOb.flashvars[el])
                    }
                }
                if (asOb.url.indexOf("ref=") == -1) {
                    asOb.url += (asOb.url.indexOf("?") > -1 ? "&" : "?")
                    asOb.url += "ref=BrRotator"
                }
                emb.addVariable("targeturl", asOb.url)
                emb.addVariable("target", asOb.target)
                emb.assignToElement(htmlId)
            } 
            catch (e) {
            
            }
        }
    }
    this.assign = function(htmlId){
        var lastShowed;
        var showNr;
        var randomBaner = false
        this.setCookie("testCookie", "ok", 1);
        if (this.readCookie("testCookie") != "ok") {
            randomBaner = true
        }
        else {
            lastShowed = this.readCookie(this.cookieName)
            if (lastShowed === null) {
                randomBaner = true
            }
            else {
                showNr = parseInt(lastShowed) + 1
                if (showNr >= this.queue.length) {
                    showNr = 0
                }
            }
        }
        if (randomBaner) {
            showNr = Math.round((this.queue.length - 1) * Math.random())
        }
        this.setCookie(this.cookieName, showNr, 1)
        this.setHTML(showNr, htmlId)
    }
}