function toggleLink(whichLink) 
{
    var lnkTxt = document.getElementById(whichLink);
    lnkTxt.innerHTML = (lnkTxt.innerHTML ==  "Show details") ? "Hide details" : "Show details";
}
function toggleLayer(whichLayer)
{
    if (document.getElementById)
    {
        // this is the way the standards work
        var style2 = document.getElementById(whichLayer).style;
        style2.display = style2.display ? "" : "block";
        //toggleLink('L'+whichLayer);
        
    }
    else if (document.all)
    {
        // this is the way old msie versions work
        var style2 = document.all[whichLayer].style;
        style2.display = style2.display? "":"block";
    }
    else if (document.layers)
    {
        // this is the way nn4 works
        var style2 = document.layers[whichLayer].style;
        style2.display = style2.display? "":"block";
    }
/*    var img = document.getElementById("img"+whichLayer);
    var imgLink = document.getElementById("imgLink"+whichLayer);
    if(img.src.indexOf('expand') == -1){
        img.src = "images/expand.gif";
        imgLink.alt = imgLink.title = img.alt = img.title = "Hide Details";
    }
    else{
        img.src = "images/collapse.gif";
        imgLink.alt = imgLink.title = img.alt = img.title = "Show Details";
    }
*/    
}
function showAll() 
{
    var ds = document.getElementsByTagName('div');
    for(i in ds)
    {
        if(ds[i].id){
            if(ds[i].id.indexOf("detail") != -1) ds[i].style.display = "block";
        }
    }
    var arr = document.getElementsByTagName('img');
    for(j in arr)
    {
        if(arr[j].id){
            if(arr[j].id.indexOf("IMG") != -1){
                arr[j].src = "images/dwtrign.gif";
                arr[j].alt = arr[j].title = "Hide Details";
            }
        }
    }
    var Links = document.getElementsByTagName('a');
    for(k in Links)
    {
        if(Links[k].id){
            if(Links[k].id.indexOf("detailsLink") != -1) Links[k].alt = Links[k].title = "Hide Details";
        }
    }
}
function hideAll() 
{
    var ds = document.getElementsByTagName('div');
    for(i in ds)
    {
        if(ds[i].id){
            if(ds[i].id.indexOf("detail") != -1) ds[i].style.display = "";
        }
    }
    var arr = document.getElementsByTagName('img');
    for(j in arr)
    {
        if(arr[j].id){
            if(arr[j].id.indexOf("IMG") != -1){
                arr[j].src = "images/rttrign.gif";
                arr[j].alt = arr[j].title = "Show Details";
            }
        }
    }
    var Links = document.getElementsByTagName('a');
    for(k in Links)
    {
        if(Links[k].id){
            if(Links[k].id.indexOf("detailsLink") != -1) Links[k].alt = Links[k].title = "Show Details";
        }
    }

}