function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function'){
        window.onload = func
    } else {
        window.onload = function() {
            oldonload();
            func();
        }
    }
}

function filterPath(string) {
    return string
    .replace(/^\//,'')
    .replace(/(index|default).[a-zA-Z]{3,4}$/,'')
    .replace(/\/$/,'');
}
/*
function Left(str, n){
    if (n <= 0)
        return "";
    else if (n > String(str).length)
        return str;
    else
        return String(str).substring(0,n);
}

function Right(str, n){
    if (n <= 0)
        return "";
    else if (n > String(str).length)
        return str;
    else {
        var iLen = String(str).length;
        return String(str).substring(iLen, iLen - n);
    }
}
*/
/*
function prepareLinks() {

    if (!document.getElementById || !document.getElementsByTagName) {
        return;
    }
    
    //var content = document.getElementById("content");
    var links = document.getElementsByTagName("a");
    
    for(var i=0; i<links.length; i++) {
        var str = links[i].getAttribute("href");
        var clss = links[i].getAttribute("class");
        var clssName = links[i].getAttribute("className");

        if(((Left(str,7)=="http://")||(Left(str,8)=="https://"))&&(Left(str,29)!="http://news.bbc.co.uk/go/rss/")&&(Left(str,37)!="http://www.businesslink.gov.uk/bdotg/")&&(Left(str,34)!="http://online.businesslink.gov.uk/")&&(Left(str,31)!="http://www.thebusinessdesk.com/")){

            if((str.indexOf("salford.gov.uk")==-1)){
            
                var checklinks = links[i].getElementsByTagName("img");
                
                if(checklinks.length==0){
                    var addicon = document.createElement("img");
                    addicon.setAttribute("src","t/icon-external-link.gif");
                    addicon.setAttribute("alt","External site");
                    addicon.style.paddingLeft="4px";
                    links[i].appendChild(addicon);
                } else {
                    for(var z=0; z<checklinks.length; z++) {
                        var altText = checklinks[z].getAttribute("alt");
                        altText = altText + " (External site)";
                        checklinks[z].setAttribute("alt",altText);
                    }
                }
            }

        }

        if((Left(str,7)=="mailto:")||(Left(str,7)=="MAILTO:")){
            links[i].style.paddingLeft="20px";
            links[i].style.backgroundImage="url(t/icon-email-small.gif)";
            links[i].style.backgroundRepeat="no-repeat";
            links[i].style.backgroundPosition="left center";
        }

        if((Right(str,4)==".rtf")||(Right(str,4)==".RTF")){
            var addicon = document.createElement("img");
            addicon.setAttribute("src","t/icon-text.gif");
            addicon.setAttribute("alt","");
            addicon.style.paddingLeft="4px";
            links[i].appendChild(addicon);
        }

        if((Right(str,4)==".doc")||(Right(str,4)==".DOC")||(Right(str,4)==".dot")||(Right(str,4)==".DOT")){
            var addicon = document.createElement("img");
            addicon.setAttribute("src","t/icon-word.gif");
            addicon.setAttribute("alt","");
            addicon.style.paddingLeft="4px";
            links[i].appendChild(addicon);
        }

        if((Right(str,4)==".pdf")||(Right(str,4)==".PDF")){        
            var addicon = document.createElement("img");
            addicon.setAttribute("src","t/icon-acrobat.gif");
            addicon.setAttribute("alt","");
            addicon.style.paddingLeft="4px";
            links[i].appendChild(addicon);
        }
    
        if((Right(str,4)==".xls")||(Right(str,4)==".XLS")||(Right(str,4)==".csv")||(Right(str,4)==".CSV")){
            var addicon = document.createElement("img");
            addicon.setAttribute("src","t/icon-excel.gif");
            addicon.setAttribute("alt","");
            addicon.style.paddingLeft="4px";
            links[i].appendChild(addicon);
        }
    
        if((Right(str,4)==".ppt")||(Right(str,4)==".PPT")||(Right(str,4)==".pps")||(Right(str,4)==".PPS")){
            var addicon = document.createElement("img");
            addicon.setAttribute("src","t/icon-powerpoint.gif");
            addicon.setAttribute("alt","");
            addicon.style.paddingLeft="4px";
            links[i].appendChild(addicon);
        }
    
        if(((clss!="thickbox")&&(clssName!="thickbox"))&&((Right(str,4)==".jpg")||(Right(str,4)==".JPG")||(Right(str,4)==".gif")||(Right(str,4)==".GIF")||(Right(str,4)==".png")||(Right(str,4)==".PNG")||(Right(str,4)==".bmp")||(Right(str,4)==".BMP"))){
            var addicon = document.createElement("img");
            addicon.setAttribute("src","t/icon-image.gif");
            addicon.setAttribute("alt","");
            addicon.style.paddingLeft="4px";
            links[i].appendChild(addicon);
        }
    
        if((Right(str,4)==".zip")||(Right(str,4)==".ZIP")){
            var addicon = document.createElement("img");
            addicon.setAttribute("src","t/icon-zip.gif");
            addicon.setAttribute("alt","");
            addicon.style.paddingLeft="4px";
            links[i].appendChild(addicon);
        }

        if((Right(str,4)==".mp3")||(Right(str,4)==".MP3")){
            var addicon = document.createElement("img");
            addicon.setAttribute("src","t/icon-mp3.gif");
            addicon.setAttribute("alt","");
            addicon.style.paddingLeft="4px";
            links[i].appendChild(addicon);
        }

    }

}



*/


function switchStylestyle(styleName) {

    $('link[@rel*=style][@title]').each(function(i) {
        this.disabled = true;
        if (this.getAttribute('title') == styleName) this.disabled = false;
    });
    
    createCookie('style', styleName, 365);
    
    if(styleName == "highvisibility") {
        $("#directgovImage").attr({ src: "_img/access/directgov_logo_white-highvis.gif" });
    } else {
        $("#directgovImage").attr({ src: "_img/access/directgov_logo_white.gif" });
    }
}

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);
}

function over(event) {
    $(this).css("cursor", "pointer");
}







$(document).ready(function() {

/* accessability ------------------------------------------------------- */

    var c = readCookie('style');

    if (c) switchStylestyle(c);
  
    $('a[href*=#]').each(function() {
        
        if ( ( filterPath(this.pathname)!='az.htm' ) && ( filterPath(location.pathname) == filterPath(this.pathname) && location.hostname == this.hostname && this.hash.replace(/#/,'') ) ) {
            var $targetId = $(this.hash), $targetAnchor = $('[name=' + this.hash.slice(1) +']');
            var $target = $targetId.length ? $targetId : $targetAnchor.length ? $targetAnchor : false;
            if ($target) {
                var targetOffset = $target.offset().top;
                $(this).click(function() {
                    $('html, body').animate({scrollTop: targetOffset}, 400);
                    return false;
                });
            }
        }

    });

    $('.styleswitch').click(function(){
        switchStylestyle(this.getAttribute("rel"));
        return false;
    });
    

});

// addLoadEvent(prepareLinks);