imghome125on = new Image();
imghome125on.src = "images/home_on.gif";
imghome125off = new Image();
imghome125off.src = "images/125home_off.gif";

imgcatalogs125on = new Image();
imgcatalogs125on.src = "images/catalogs_on.gif";
imgcatalogs125off = new Image();
imgcatalogs125off.src = "images/125catalogs_off.gif";

imglinks125on = new Image();
imglinks125on.src = "images/links_on.gif";
imglinks125off = new Image();
imglinks125off.src = "images/125links_off.gif";

imgfree125on = new Image();
imgfree125on.src = "images/free_on.gif";
imgfree125off = new Image();
imgfree125off.src = "images/125free_off.gif";

imgabout125on = new Image();
imgabout125on.src = "images/about_on.gif";
imgabout125off = new Image();
imgabout125off.src = "images/125about_off.gif";

imgcontact125on = new Image();
imgcontact125on.src = "images/contact_on.gif";
imgcontact125off = new Image();
imgcontact125off.src = "images/125contact_off.gif";

// links image functions
function imgAct(imgName) {
    document[imgName].src = eval(imgName + "on.src");
}

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