function imgOn(oRef)
{
    var oSelRef = eval(oRef.id + "_on");
    if (!oCurrImg || oCurrImg.id != oRef.id)
        oRef.src = oSelRef.src;
}

function imgOff(oRef)
{
    var oSelRef = eval(oRef.id + "_off");
    if (!oCurrImg || oCurrImg.id != oRef.id)
        oRef.src = oSelRef.src;
}

function showStory(iIdx)
{
    var oStoryRef = document.getElementById("storybody");
    var oImgRef = null;
    
    if (oCurrImg)
    {
        oImgRef = eval(oCurrImg.id + "_off");
        oCurrImg.src = oImgRef.src;
    }
    
    oCurrImg = null;
    oImgRef = document.getElementById("storyImgBlock" + iIdx);
    oImgRef.style.display = "none";
    oStoryRef.style.display = "block";
}

function showPhoto(oRef, iIdx)
{
    var oStoryRef = document.getElementById("storybody");
    var oImgRef = null;
    var iCurrPhotoIdx = 0;
    
    if (oCurrImg)
    {
        oImgRef = eval(oCurrImg.id + "_off");
        oCurrImg.src = oImgRef.src;
        iCurrPhotoIdx = parseInt(oCurrImg.id.substring(oCurrImg.id.indexOf("m") + 1, oCurrImg.id.length))
        oImgRef = document.getElementById("storyImgBlock" + iCurrPhotoIdx);
        oImgRef.style.display = "none";
    }
    
    oCurrImg = oRef;

    oImgRef = eval(oRef.id + "_on");
    oRef.src = oImgRef.src;
    oImgRef = document.getElementById("storyImgBlock" + iIdx);
    oImgRef.style.display = "block";
    oStoryRef.style.display = "none";
}

function RollImage(sSrc)
{
    var oImg = new Image();
    oImg.src = sSrc;
    return oImg;
}