function rollover(imgName, mySwitch)
{
        var myImg = document.getElementById(imgName.id);
        var myImgArrow = document.getElementById(imgName.id + "_arrow");
        
        if (mySwitch == 1) {
                myImg.style.backgroundColor = "#457FC7";
                myImgArrow.src = "images/nav_arrow.gif";
        } else {
                myImg.style.backgroundColor = "black";
                myImgArrow.src = "images/blank.gif";
        }
}

function rollover2(imgName, mySwitch)
{
        var myImg = document.getElementById(imgName.id);
        
        if (mySwitch == 1) {
                myImg.style.backgroundColor = "#457FC7";
        } else {
                myImg.style.backgroundColor = "black";
        }
}