// JScript File
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 swapImage()
{   

    var img = getCookie('immagine');        
    if(!img){
        document.cookie='immagine=';
        img='';
    }             
    var divHP = document.getElementById('content_hp');
    var divCC = document.getElementById('chiusura_content'); 
    if(divHP && divCC){
        img=img==''?'1':'';                    
        divHP.className='content_hp'+img;
        divCC.className='chiusura_content'+img;
        document.cookie='immagine='+img;        
    }
    
}