function mouseOn(imgname) 
{
    if (document.images) 
    {
        document[imgname].src = eval(imgname + 'on.src');
    }
}

function mouseOff(imgname) 
{
    if (document.images) 
    {
        document[imgname].src = eval(imgname + 'off.src');
    }
}

if (document.images) 
{
    menu1on = new Image();
    menu1on.src = "img/menu/homeOpen.gif";

    menu2on = new Image();
    menu2on.src = "img/menu/mensendieckOpen.gif";
	
	menu3on = new Image();
    menu3on.src = "img/menu/vergoedingenOpen.gif";

    menu4on = new Image();
    menu4on.src = "img/menu/aandoeningOpen.gif";

    menu5on = new Image();
    menu5on.src = "img/menu/therapeutenOpen.gif";

    menu6on = new Image();
    menu6on.src = "img/menu/contactOpen.gif";


    menu1off = new Image();
    menu1off.src = "img/menu/homeDicht.gif";

    menu2off = new Image();
    menu2off.src = "img/menu/mensendieckDicht.gif";

	menu3off = new Image();
    menu3off.src = "img/menu/vergoedingenDicht.gif";

    menu4off = new Image();
    menu4off.src = "img/menu/aandoeningDicht.gif";
     
    menu5off = new Image();
    menu5off.src = "img/menu/therapeutenDicht.gif";
    
    menu6off = new Image();
    menu6off.src = "img/menu/contactDicht.gif";
}