var currentLayer = "page1";

var currentDiv = "d1";

function showLayer(obj,div){

    if(currentLayer!=obj.id) {

    showIt(currentLayer,currentDiv,false);

    currentLayer = obj.id;

    currentDiv = div;

    showIt(currentLayer,currentDiv,true);

    }

}

function showIt(o,d,mode){

    var obj = document.getElementById(o);

    var div = document.getElementById(d);

    obj.className = mode?"active":"inactive";

    div.style.display = mode?"block":"none";

}

var currentLayer2 = "page5";

var currentDiv2 = "d5";

function showLayer2(obj,div){

    if(currentLayer2!=obj.id) {

    showIt2(currentLayer2,currentDiv2,false);

    currentLayer2 = obj.id;

    currentDiv2 = div;

    showIt2(currentLayer2,currentDiv2,true);

    }

}

function showIt2(o,d,mode){

    var obj = document.getElementById(o);

    var div = document.getElementById(d);

    obj.className = mode?"active":"inactive";

    div.style.display = mode?"block":"none";

}