function myRSS(URI) {
    // properties
    this.URI = URI;
    this.offset = 0;
    this.maxItems = 20;
    this.itemsPerPage = 3;
    this.credits = "CR News Headlines Reader\nby Sean Groundwater (c) BiP Solutions 2006";
    this.title = new Array();
    this.link = new Array();
    this.opacitySetting = 0;
    this.fadeTimer1 = 0;
    if (window.getComputedStyle) {//detect if moz-opacity is defined in external CSS for specified class
        this.mozopacityisdefined=
            (window.getComputedStyle(document.getElementById("rss"), "").getPropertyValue("-moz-opacity")==1)? 0 : 1
    }

    // methods
    this.getContent = getContent;
    this.formatRSS  = formatRSS;
    this.prev = prev;
    this.next = next;
    this.formatLinks = formatLinks;
    this.transition = transition;

    // let's do stuff...
    this.getContent();
    this.formatRSS(0);
}

function next () {
    // display next <itemsPerPage> items
    if (this.offset < this.maxItems - this.itemsPerPage) {
        this.offset += this.itemsPerPage;
        this.formatRSS(this.offset);
    }
}

function prev () {
    // display previous <itemsPerPage> items
    if (this.offset > 0) {
        this.offset -= this.itemsPerPage;
        this.formatRSS(this.offset);
    }
}

function formatRSS ( offset) {
    var mydiv = document.getElementById("rss");

    mydiv.innerHTML = ""; // clear the previous list
    var items_count=this.title.length;
   
    ul = document.createElement("ul");
    ul.setAttribute("class","external-links");
    mydiv.appendChild(ul);
    var displayItemCount = 0;
    if (items_count < this.itemsPerPage) {
        displayItemCount = items_count;
    } else {
        displayItemCount = this.itemsPerPage;
    }
    if (offset > 0) { }
    this.transition("reset");

    var limit = displayItemCount + offset < this.maxItems ? displayItemCount + offset : this.maxItems;
    
    for(var i=offset; i<limit; i++) {
        var title_w, link_w;
        title_w = this.title[i];
        link_w = this.link[i];
        litag = document.createElement("li");
        litag.innerHTML = "<p><a href=\"" + link_w + "\">" + title_w + "</p>";
        ul.appendChild(litag);
    }
    this.formatLinks();
    myInstance = this;
    this.fadetimer1=setInterval(function(){myInstance.transition('up', 'fadetimer1')}, 100) //FADE EFFECT- PLAY IT
}

function formatLinks () {

    /* decide to hide the 'previous' link (if we are at the beginning
     * of the list) or hide the 'next' link (if we are at the end of
     * the list
     */
   
    var newLinks = document.getElementById("newsLinks");

    // clumsy way of doing it to get around IE javascript/stylesheet bug (as opposed
    // to using setAttribute()...
    title = "";
    var hidStyle = "style=\"font-size:smaller;text-decoration:none;color:#9999CC;margin-left:25px;margin-bottom:50px\"";
    var visStyle = "style=\"font-size:smaller;text-decoration:underline;cursor:pointer;margin-left:25px;margin-bottom:50px\"";

    // alert(this.offset + " " + this.maxItems + " " + this.itemsPerPage);
    if (this.offset == 0) {
        newLinks.innerHTML = title +
           "<span " + hidStyle + ">&lt; Previous</span> &nbsp; &nbsp; " + 
           "<span " + visStyle +  " onclick=\"rss.next()\">Next &gt;</span>";
    } else if (this.offset >= this.maxItems - this.itemsPerPage) {
        newLinks.innerHTML = title +
            "<span " + visStyle + " onclick=\"rss.prev()\">&lt; Previous</span> &nbsp; &nbsp; " + 
            "<span " + hidStyle + ">Next &gt;</span>";
    } else {
        newLinks.innerHTML = title + 
            "<span " + visStyle + " onclick=\"rss.prev()\">&lt; Previous</span> &nbsp; &nbsp; " + 
            "<span " + visStyle + " onclick=\"rss.next()\">Next &gt;</span>";

    }
    
}

function transition(fadetype, timerid){
    var myDiv=document.getElementById("rss");
    if (fadetype=="reset") this.opacitysetting=0.2;
    if (myDiv.filters && myDiv.filters[0]) {
        if (typeof myDiv.filters[0].opacity=="number") { //IE6+
            myDiv.filters[0].opacity=this.opacitysetting*100;
        } else { //IE 5.5
            myDiv.style.filter="alpha(opacity="+this.opacitysetting*100+")";
        }
    } else if (typeof myDiv.style.MozOpacity!="undefined" && this.mozopacityisdefined) {
       myDiv.style.MozOpacity=this.opacitysetting;
    }
    if (fadetype=="up")
    this.opacitysetting+=0.2;
    if (fadetype=="up" && this.opacitysetting>=1)
    clearInterval(this[timerid]);
}


function getContent () {
    this.link[0] = "http://press.homeoffice.gov.uk/press-releases/local-crime-figures";
    this.title[0] = "LOCAL CRIME FIGURES AND NEIGHBOURHOOD POLICE DETAILS AT THE TOUCH OF A BUTTON";
    this.link[1] = "http://http://press.homeoffice.gov.uk/press-releases/more-victim-support";
    this.title[1] = "MORE SUPPORT FOR VICTIMS AS HOME SECRETARY DEMANDS TOUGH LOCAL ACTION AGAINST ANTI-SOCIAL BEHAVIOUR";
    this.link[2] = "http://www.justice.gov.uk/news/newsrelease290909a.htm";
    this.title[2] = "JACK STRAW ANNOUNCES PLANS FOR NATIONAL VICTIMS' SERVICE";
    this.link[3] = "http://press.homeoffice.gov.uk/press-releases/tough-new-powers";
    this.title[3] = "TOUGH NEW POWERS TO HELP VICTIMS BREAK CYCLE OF DOMESTIC VIOLENCE";
    this.link[4] = "http://nds.coi.gov.uk/content/detail.aspx?NewsAreaId=2&ReleaseID=407036&SubjectId=2";
    this.title[4] = "SCHOOLBOY'S DANCING WINS NATIONWIDE 'GOOD 4 THE HOOD' COMPETITION TO HELP TACKLE YOUTH CRIME";
    this.link[5] = "http://nds.coi.gov.uk/content/detail.aspx?NewsAreaId=2&ReleaseID=407032&SubjectId=2";
    this.title[5] = "HELPING VULNERABLE WOMEN OFFENDERS";
    this.link[6] = "http://nds.coi.gov.uk/content/detail.aspx?NewsAreaId=2&ReleaseID=407019&SubjectId=2";
    this.title[6] = "DESIGNERS TO FIND NEW WAYS OF PROTECTING SHOPKEEPERS FROM CRIME";
    this.link[7] = "http://press.homeoffice.gov.uk/press-releases/plans-tackle-youth-violence";
    this.title[7] = "EXPANDED PLANS TO TACKLE SERIOUS YOUTH VIOLENCE UNVEILED";
    this.link[8] = "http://www.justice.gov.uk/news/newsrelease110609a.htm";
    this.title[8] = "MORE KNIFE CRIME OFFENDERS JAILED";
    this.link[9] = "http://press.homeoffice.gov.uk/press-releases/tack-irresponsible-alcohol-sales";
    this.title[9] = "TOUGH NEW POWERS AND MANDATORY CODE TO TACKLE IRRESPONSIBLE ALCOHOL SALES";
    this.link[10] = "http://press.homeoffice.gov.uk/press-releases/health-taskforce-violence-women";
    this.title[10] = "NEW HEALTH TASKFORCE TO SPOT SIGNS OF VIOLENCE AGAINST WOMEN";
    this.link[11] = "http://press.homeoffice.gov.uk/press-releases/new-crime-strategy-published";
    this.title[11] = "PUBLIC GIVEN GREATER SAY AS NEW CRIME STRATEGY PUBLISHED";
    this.link[12] = "http://nds.coi.gov.uk/Content/Detail.asp?ReleaseID=399422&NewsAreaID=2";
    this.title[12] = "CRIME IN ENGLAND AND WALES QUARTERLY UPDATE YEAR ENDING DECEMBER 2008";
    this.link[13] = "http://nds.coi.gov.uk/Content/Detail.asp?ReleaseID=398734&NewsAreaID=2";
    this.title[13] = "NEW GUIDANCE TO CRACK DOWN ON DANGEROUS DOGS";
    this.link[14] = "http://nds.coi.gov.uk/Content/Detail.asp?ReleaseID=398627&NewsAreaID=2";
    this.title[14] = "NEW MEASURES TO SUPPORT VICTIMS OF SEXUAL ASSAULT";
    this.link[15] = "http://nds.coi.gov.uk/Content/Detail.asp?ReleaseID=398011&NewsAreaID=2";
    this.title[15] = "CRAKCING DOWN ON BURGLARY";
    this.link[16] = "http://www.justice.gov.uk/news/11770.htm";
    this.title[16] = "£3.7m FOR VICTIMS OF HUMAN TRAFFICKING";
    this.link[17] = "http://press.homeoffice.gov.uk/press-releases/Tough-measure-protect-vulnerable";
    this.title[17] = "TOUGH NEW MEASURES TO PROTECT THE VULNERABLE";
    this.link[18] = "http://www.defra.gov.uk/news/latest/2009/localenv-0317.htm";
    this.title[18] = "STEPPING UP THE FIGHT AGAINST LITTER";
    this.link[19] = "http://press.homeoffice.gov.uk/press-releases/Funding-to-tackle-mobphone-crime";
    this.title[19] = "NEW FUNDING TO TACKLE MOBILE PHONE CRIME";


}