///<summary>
/// Toggles the child node of a site map node, (makes it visible or invisible)
///</summary>
function ToggleChildren(sID, sPathPlus, sPathMinus)
{
    var sImageID = sID.replace("child", "image");
    var oImage   = document.getElementById(sImageID);
    var oDiv     = document.getElementById(sID);
    var sDisplay = oDiv.style.display;
    
    if(sDisplay == "none")
    {
        oDiv.style.display = "inline";
        oImage.src = sPathMinus;                    
    }
    else
    {
        if(oImage.getAttribute("ChildCount") != "0")
        {
            oDiv.style.display = "none";
            oImage.src = sPathPlus;            
        }
    }     
}//ToggleChildren