if (document.images) {
ewt00on = new Image
ewt00off = new Image
ewt01on = new Image
ewt01off = new Image
ewt02on = new Image
ewt02off = new Image
ewt03on = new Image
ewt03off = new Image
ewt04on = new Image
ewt04off = new Image
ewt05on = new Image
ewt05off = new Image
ewt06on = new Image
ewt06off = new Image

ewt00on.src = 'http://www.hillviewcottages.com/images/btn_home_dn.gif'
ewt00off.src = 'http://www.hillviewcottages.com/images/btn_home_up.gif'
ewt01on.src = 'http://www.hillviewcottages.com/images/btn_accommodations_dn.gif'
ewt01off.src = 'http://www.hillviewcottages.com/images/btn_accommodations_up.gif'
ewt02on.src = 'http://www.hillviewcottages.com/images/btn_activities_dn.gif'
ewt02off.src = 'http://www.hillviewcottages.com/images/btn_activities_up.gif'
ewt03on.src = 'http://www.hillviewcottages.com/images/btn_rates_dn.gif'
ewt03off.src = 'http://www.hillviewcottages.com/images/btn_rates_up.gif'
ewt04on.src = 'http://www.hillviewcottages.com/images/btn_availability_dn.gif'
ewt04off.src = 'http://www.hillviewcottages.com/images/btn_availability_up.gif'
ewt05on.src = 'http://www.hillviewcottages.com/images/btn_map_directions_dn.gif'
ewt05off.src = 'http://www.hillviewcottages.com/images/btn_map_directions_up.gif'
ewt06on.src = 'http://www.hillviewcottages.com/images/btn_lakehouse_dn.gif'
ewt06off.src = 'http://www.hillviewcottages.com/images/btn_lakehouse_up.gif'
}

else {
ewt00on = ""
ewt00off = ""
document.ewt00 = ""
ewt01on = ""
ewt01off = ""
document.ewt01 = ""
ewt02on = ""
ewt02off = ""
document.ewt02 = ""
ewt03on = ""
ewt03off = ""
document.ewt03 = ""
ewt04on = ""
ewt04off = ""
document.ewt04 = ""
ewt05on = ""
ewt05off = ""
document.ewt05 = ""
ewt06on = ""
ewt06off = ""
document.ewt06 = ""
}

function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
           
        }
}


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