button1up = new Image; button1up.src = "../images/nav_home_a.jpg";
button1down = new Image; button1down.src = "../images/nav_home_o.jpg";
button2up = new Image; button2up.src = "../images/nav_about_a.jpg";
button2down = new Image; button2down.src = "../images/nav_about_o.jpg";
button3up = new Image; button3up.src = "../images/nav_map_a.jpg";
button3down = new Image; button3down.src = "../images/nav_map_o.jpg";
button4up = new Image; button4up.src = "../images/nav_shop_a.jpg";
button4down = new Image; button4down.src = "../images/nav_shop_o.jpg";
button5up = new Image; button5up.src = "../images/nav_press_a.jpg";
button5down = new Image; button5down.src = "../images/nav_press_o.jpg";
button6up = new Image; button6up.src = "../images/nav_enquiries_a.jpg";
button6down = new Image; button6down.src = "../images/nav_enquiries_o.jpg";
button7up = new Image; button7up.src = "../images/nav_subscribe_a.jpg";
button7down = new Image; button7down.src = "../images/nav_subscribe_o.jpg";
button8up = new Image; button8up.src = "../images/nav_contactus_a.jpg";
button8down = new Image; button8down.src = "../images/nav_contactus_o.jpg";


function MouseOverRoutine(ButtonName)
{
   if (ButtonName=="button1") {document.button1.src = button1down.src;}
   if (ButtonName=="button2") {document.button2.src = button2down.src;}
   if (ButtonName=="button3") {document.button3.src = button3down.src;}
   if (ButtonName=="button4") {document.button4.src = button4down.src;}
   if (ButtonName=="button5") {document.button5.src = button5down.src;}
   if (ButtonName=="button6") {document.button6.src = button6down.src;}
   if (ButtonName=="button7") {document.button7.src = button7down.src;}
   if (ButtonName=="button8") {document.button8.src = button8down.src;}
}

function MouseOutRoutine(ButtonName)
{
   if (ButtonName=="button1") {document.button1.src = button1up.src;}
   if (ButtonName=="button2") {document.button2.src = button2up.src;}
   if (ButtonName=="button3") {document.button3.src = button3up.src;}
   if (ButtonName=="button4") {document.button4.src = button4up.src;}
   if (ButtonName=="button5") {document.button5.src = button5up.src;}
   if (ButtonName=="button6") {document.button6.src = button6up.src;}
   if (ButtonName=="button7") {document.button7.src = button7up.src;}
   if (ButtonName=="button8") {document.button8.src = button8up.src;}
}