// current active box is empty the first time the page loads
var currentBox = "";
// create layer references and turn the boxes on or off
function toggleHelpBoxes(boxName,state)
{
    boxObj = (ns6)?document.getElementById(boxName):(ie4)?document.all[boxName]:(ns4)?eval("document.layers."+boxName):0;
    if(currentBox != "") curCss = (ns6)?document.getElementById(currentBox).style:(ie4)?document.all[currentBox].style:(ns4)?eval("document.layers."+currentBox):0;
    
    if (boxObj)
    {
        lyrCss = (ns6)?boxObj.style:(ie4)?boxObj.style:(ns4)?boxObj:0;
        
        if (state == "on")
        {
            if (currentBox != "") curCss.visibility = "hidden";
            lyrCss.visibility = "visible";
            currentBox = boxName;
        }
        else if (state == "off")
        {
            lyrCss.visibility = "hidden";
        }
    }
}