function navTo(url) { window.location.href = url; }

function toggleRollState(element)
{
    var rollStringPosition = element.className.indexOf("_roll");
    
    if (rollStringPosition == -1)    
        element.className = element.className + "_roll";
    else
        element.className = element.className.substring(0, rollStringPosition);
}


function init(pageID, sectionID)
{
   if (pageID != sectionID)
   {
        var sectionElement = document.getElementById('nav_' + sectionID);
        if (sectionElement != null && sectionElement != '')
            sectionElement.className = sectionElement.className + "_section_on";
   }
   
   var navElement = document.getElementById('nav_' + pageID);
   navElement.className = navElement.className + "_on";
   
}