function MouseStatusMessage(txt)
{
        window.status=txt;
}

function ClearStatus()
{
        window.status= "";
}

function Activate(imgName,mes)
{
        MouseStatusMessage(mes);

        if (document.images)
        {
        	imgOn = eval(imgName + "on.src");
        	document [imgName].src = imgOn;
        }
}

function Deactivate(imgName)
{
        ClearStatus();

        if (document.images)
        {
        	imgOff = eval(imgName + "off.src");
	        document [imgName].src = imgOff;
        }
}

if (document.images)
{
        main1on = new Image(120, 39);
        main1on.src = "graphics/home-s.gif";
        main2on = new Image(120, 68);
        main2on.src = "graphics/panel-pole-s.gif";
        main3on = new Image(120, 91);
        main3on.src = "graphics/table-top-folding-s.gif";
        main4on = new Image(120, 50);
        main4on.src = "graphics/literature-s.gif";
        		
		
        main1off = new Image(120, 39);
        main1off.src = "graphics/home-n.gif";
        main2off = new Image(120, 68);
        main2off.src = "graphics/panel-pole-n.gif";
        main3off = new Image(120, 91);
        main3off.src = "graphics/table-top-folding-n.gif";
        main4off = new Image(120, 50);
        main4off.src = "graphics/literature-n.gif";
        
}