opt0off = new Image();
opt0off.src = "1_sitegfx/option_home.gif";
opt1off = new Image();
opt1off.src = "1_sitegfx/option_company.gif";
opt2off = new Image();
opt2off.src = "1_sitegfx/option_locations.gif";
opt3off = new Image();
opt3off.src = "1_sitegfx/option_press.gif";
opt4off = new Image();
opt4off.src = "1_sitegfx/option_map.gif";
opt5off = new Image();
opt5off.src = "1_sitegfx/option_contact.gif";

opt0on = new Image();
opt0on.src = "1_sitegfx/option_home_on.gif";
opt1on = new Image();
opt1on.src = "1_sitegfx/option_company_on.gif";
opt2on = new Image();
opt2on.src = "1_sitegfx/option_locations_on.gif";
opt3on = new Image();
opt3on.src = "1_sitegfx/option_press_on.gif";
opt4on = new Image();
opt4on.src = "1_sitegfx/option_map_on.gif";
opt5on = new Image();
opt5on.src = "1_sitegfx/option_contact_on.gif";

function showElement(id) {

divname = document.getElementById(id);
divname.style.display = 'block';
};

function hideElement(id) {

divname = document.getElementById(id);
divname.style.display = 'none';
};