// laat geklikte item zien onder de tijdlijn
function showCanonItem(iId, bScroll) {
        
    var oRequest = new cRequest();                          
    oRequest.sUrl = sRootUrl + 'flashTijdlijnItem.php?itemid=' + iId;
    oRequest.sType = 'GET';       
        
    //console.log(eval(oRequest.getContent().responseText));
    var sCanonItem = eval(oRequest.getContent().responseText);

    document.getElementById('canonItem').innerHTML = sCanonItem;
    
    // scroll pagina naar anchor
    window.location.hash='canonItem';
    
    
    
    // scroll down        
    if(bScroll != false) {
        for(var i=0;i<3;i++) {
            pageScroll();
        }    
    }    
    
}


function showSubNav() {        
    
    var oRequest = new cRequest();                          
    oRequest.sUrl = sRootUrl + 'flashTijdlijnItem.php';
    oRequest.sType = 'GET';       
                                                      
    var sCanonItem = eval(oRequest.getContent().responseText);
    document.getElementById('canonItem').innerHTML = sCanonItem;    
}

function pageScroll() {
    window.scrollBy(0,-40); // horizontal and vertical scroll increments
}