// JavaScript Document
function highlightCurrentNav()
{
    var numberOfLinks = 9;
    var boolSet = 0;
    for(i=1;i<=numberOfLinks;i++)
    {
        if(document.getElementById("link"+i).href == location.href)
        {
            var strOriginalImageName = document.getElementById("Image"+i).getAttribute("src");
            var newImg = strOriginalImageName.replace(".jpg","Roll.jpg");
            document.getElementById("Image"+i).src = newImg;
            boolSet = 1
        }

    }
    if (boolSet != 1) //defualt to Welcome
    {
        var strOriginalImageName = document.getElementById("Image9").getAttribute("src");
        var newImg = strOriginalImageName.replace(".jpg","Roll.jpg");
        document.getElementById("Image9").src = newImg;
    }

}