var navcnt = 10;  //Number of navigation titles
    var myinterval;
    var mycurrentpage;
    try {
         document.execCommand("BackgroundImageCache", false, true);
    } catch(err) {}
    function setCurrentPG(page) {
        mycurrentpage = page;
        document.getElementById("nav_"+page).className = "current";
    }
    
    function setTopNav(page) {
        mycurrentpage = page;
        document.getElementById("top_"+page).className = "current";
    }
    
    function setSubNav(page) {
        mycurrentpage = page;
        document.getElementById("sub_"+page).className = "current";
    }    
    function showSub(id) {
        clearTimeout(myinterval);
        for (var i=1; i<(navcnt+1); i++) {
            if(document.getElementById("nav_"+i).className != 'current') {
                document.getElementById("nav_"+i).className = "";
            }
            if(document.getElementById("top_"+i).className != 'current') {
                document.getElementById("top_"+i).className = "";
            }            
            if(document.getElementById("sub_"+i).className != 'current') {
                document.getElementById("sub_"+i).className = "";
            }                    
        }
        if(document.getElementById("nav_"+id).className != 'current')
            document.getElementById("nav_"+id).className = "rollover";
        if(document.getElementById("top_"+id).className != 'current')
            document.getElementById("top_"+id).className = "rollover";    
        if(document.getElementById("sub_"+id).className != 'current')
            document.getElementById("sub_"+id).className = "rollover";                
    }
    function fadeOut(id) {
        myid = id;
        myinterval = setTimeout("disappear(myid)",1500);
    }
    function disappear(id) {
        clearTimeout(myinterval);
        document.getElementById("nav_"+id).className = "";
        document.getElementById("nav_"+mycurrentpage).className = "current";
        document.getElementById("top_"+id).className = "";
        document.getElementById("top_"+mycurrentpage).className = "current";    
        document.getElementById("sub_"+id).className = "";
        document.getElementById("sub_"+mycurrentpage).className = "current";            
    }
    /* For img's with rollovers */
    function swapImage(imgName,newImg){
    if ((navigator.appName == 'Netscape' && parseFloat(navigator.appVersion) >= 3) || (parseFloat(navigator.appVersion) >= 4)){
        eval('document.' + imgName + '.src = "' + newImg + '"');
    }
    }