function initSlideShow(){
if (navigator.appname == "netscape") {
    layerstyleref="layer.";
    layerref="document.layers";
    styleswitch="";
}else{
    layerstyleref="layer.style.";
    layerref="document.getElementById(";
    styleswitch=").style";
}
    document.getElementById('layer1').style.display = "block";
    document.getElementById('pgnmbr1').style.fontWeight = "bold";
    document.getElementById('pgnmbr1').style.textDecoration = "none";
}

function showlayernumber(number){
    var layernumtoshow=number;
    hidelayer(eval('"layer' + layernumshowing+'"'));
    showlayer(eval('"layer' + layernumtoshow+'"'));
    document.getElementById('pgnmbr'+layernumshowing).style.fontWeight = "normal";
    document.getElementById('pgnmbr'+layernumshowing).style.textDecoration = "underline";
    document.getElementById('pgnmbr'+layernumtoshow).style.fontWeight = "bold";
    document.getElementById('pgnmbr'+layernumtoshow).style.textDecoration = "none";
    document.getElementById('prevDiv').style.visibility = "visible";
    layernumshowing=layernumtoshow;
}

function showpreviouslayer(){
    var layernumtoshow=layernumshowing-1;
    if (layernumtoshow < 1){layernumtoshow=totallayersinloop;}
    hidelayer(eval('"layer' + layernumshowing+'"'));
    showlayer(eval('"layer' + layernumtoshow+'"'));
    document.getElementById('pgnmbr'+layernumshowing).style.fontWeight = "normal";
    document.getElementById('pgnmbr'+layernumshowing).style.textDecoration = "underline";
    document.getElementById('pgnmbr'+layernumtoshow).style.fontWeight = "bold";
    document.getElementById('pgnmbr'+layernumtoshow).style.textDecoration = "none";
    layernumshowing=layernumtoshow;
}

function shownextlayer(){
    var layernumtoshow=layernumshowing+1;
    if (layernumtoshow > totallayersinloop){layernumtoshow=1;}
    hidelayer(eval('"layer' + layernumshowing+'"'));
    showlayer(eval('"layer' + layernumtoshow+'"'));
    document.getElementById('prevDiv').style.visibility = "visible";
    document.getElementById('pgnmbr'+layernumshowing).style.fontWeight = "normal";
    document.getElementById('pgnmbr'+layernumshowing).style.textDecoration = "underline";
    document.getElementById('pgnmbr'+layernumtoshow).style.fontWeight = "bold";
    document.getElementById('pgnmbr'+layernumtoshow).style.textDecoration = "none";
    layernumshowing=layernumtoshow;
}

function showlayer(layername){
    eval(layerref+'["'+layername+'"]'+styleswitch+'.display="block"');
}

function hidelayer(layername){
    eval(layerref+'["'+layername+'"]'+styleswitch+'.display="none"');
}