if(document.images)
{
    nav = new Array();
    nav[01] = new Image();
    nav[01].src = "images/home01.gif";
    nav[02] = new Image();
    nav[02].src = "images/home02.gif";
    nav[03] = new Image();
    nav[03].src = "images/bistro01.gif";
    nav[04] = new Image();
    nav[04].src = "images/bistro02.gif";
    nav[05] = new Image();
    nav[05].src = "images/gaming01.gif";
    nav[06] = new Image();
    nav[06].src = "images/gaming02.gif";
    nav[07] = new Image();
    nav[07].src = "images/functions01.gif";
    nav[08] = new Image();
    nav[08].src = "images/functions02.gif";
    nav[09] = new Image();
    nav[09].src = "images/galleryintro01.gif";
    nav[10] = new Image();
    nav[10].src = "images/galleryintro02.gif";
    nav[11] = new Image();
    nav[11].src = "images/gallerybistro01.gif";
    nav[12] = new Image();
    nav[12].src = "images/gallerybistro02.gif";
    nav[13] = new Image();
    nav[13].src = "images/gallerygaming01.gif";
    nav[14] = new Image();
    nav[14].src = "images/gallerygaming02.gif";
    nav[15] = new Image();
    nav[15].src = "images/galleryfunctions01.gif";
    nav[16] = new Image();
    nav[16].src = "images/galleryfunctions02.gif";
    nav[17] = new Image();
    nav[17].src = "images/gallerygall01.gif";
    nav[18] = new Image();
    nav[18].src = "images/gallerygall02.gif";
}


function change_nav(from,to)
{
    if(document.images)
    {
        document.images[from].src = nav[to].src;
    }
}