<!--

if(document.images)
{
    img1on = new Image();          
    img1on.src = "images/arrow_on.gif";         

    img1off = new Image();           
    img1off.src = "images/arrow_off.gif"; 
}

function imgAct(imgName) {
    document[imgName].src = eval(imgName + "on.src");
}

function imgInact(imgName) {
    document[imgName].src = eval(imgName + "off.src");
}


//-->