//left-nav home buttons
img1on      = new Image();
img1on.src  = "images/button-home-over.gif";
img1off     = new Image();
img1off.src = "images/button-home-off.gif";

//left-nav menu buttons
img2on      = new Image();
img2on.src  = "images/button-menu-over.gif";
img2off     = new Image();
img2off.src = "images/button-menu-off.gif";

    img2aon      = new Image();
    img2aon.src  = "images/button-menu-appetizers-over.gif";
    img2aoff     = new Image();
    img2aoff.src = "images/button-menu-appetizers-off.gif";

    img2bon      = new Image();
    img2bon.src  = "images/button-menu-soups-over.gif";
    img2boff     = new Image();
    img2boff.src = "images/button-menu-soups-off.gif";

    img2con      = new Image();
    img2con.src  = "images/button-menu-beef-over.gif";
    img2coff     = new Image();
    img2coff.src = "images/button-menu-beef-off.gif";

    img2don      = new Image();
    img2don.src  = "images/button-menu-pork-over.gif";
    img2doff     = new Image();
    img2doff.src = "images/button-menu-pork-off.gif";

    img2eon      = new Image();
    img2eon.src  = "images/button-menu-poultry-over.gif";
    img2eoff     = new Image();
    img2eoff.src = "images/button-menu-poultry-off.gif";

    img2fon      = new Image();
    img2fon.src  = "images/button-menu-ricenoodles-over.gif";
    img2foff     = new Image();
    img2foff.src = "images/button-menu-ricenoodles-off.gif";

    img2gon      = new Image();
    img2gon.src  = "images/button-menu-seafood-over.gif";
    img2goff     = new Image();
    img2goff.src = "images/button-menu-seafood-off.gif";

    img2hon      = new Image();
    img2hon.src  = "images/button-menu-veggietofu-over.gif";
    img2hoff     = new Image();
    img2hoff.src = "images/button-menu-veggietofu-off.gif";

    img2ion      = new Image();
    img2ion.src  = "images/button-menu-lunchexpress-over.gif";
    img2ioff     = new Image();
    img2ioff.src = "images/button-menu-lunchexpress-off.gif";

    img2jon      = new Image();
    img2jon.src  = "images/button-menu-fullmenu-over.gif";
    img2joff     = new Image();
    img2joff.src = "images/button-menu-fullmenu-off.gif";


//left-nav catering buttons
img3on      = new Image();
img3on.src  = "images/button-catering-over.gif";
img3off     = new Image();
img3off.src = "images/button-catering-off.gif";

//left-nav location buttons
img4on      = new Image();
img4on.src  = "images/button-location-over.gif";
img4off     = new Image();
img4off.src = "images/button-location-off.gif";

//left-nav about-us buttons
img5on      = new Image();
img5on.src  = "images/button-aboutus-over.gif";
img5off     = new Image();
img5off.src = "images/button-aboutus-off.gif";

//left-nav contact-us buttons
img6on      = new Image();
img6on.src  = "images/button-contactus-over.gif";
img6off     = new Image();
img6off.src = "images/button-contactus-off.gif";


//catering button
img10on      = new Image();
img10on.src  = "images/button-cateringform-over.png";
img10off     = new Image();
img10off.src = "images/button-cateringform-off.png";


//footer social media icons
img20on      = new Image();
img20on.src  = "images/icon-facebook-over.png";
img20off     = new Image();
img20off.src = "images/icon-facebook-off.png";

img21on      = new Image();
img21on.src  = "images/icon-twitter-over.png";
img21off     = new Image();
img21off.src = "images/icon-twitter-off.png";


//rollover functions
function over(imgName) {
    document[imgName].src = eval(imgName + "on.src");
}

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


//max length on text fields
function ismaxlength(obj) {
    var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
    if (obj.getAttribute && obj.value.length>mlength)
    obj.value=obj.value.substring(0,mlength)
}