Image1 = new Image(265,406)
Image1.src = "images/assets/main-dtvbiz.jpg"

Image2 = new Image(265,406)
Image2.src = "images/assets/bars-restaurant-over.jpg"

Image3 = new Image(265,406)
Image3.src = "images/assets/private-office-over.jpg"

Image4 = new Image(265,406)
Image4.src = "images/assets/business-viewing-over.jpg" 

Image5 = new Image(265,406)
Image5.src = "images/assets/hdh-over.jpg" 

function hotels() {
document.maindtv.src = Image5.src; return true;
}

function bizview() {
document.maindtv.src = Image4.src; return true;
}

function private() {
document.maindtv.src = Image3.src; return true;
}

function bar() {
document.maindtv.src = Image2.src; return true;
}

function original() {
document.maindtv.src = Image1.src; return true; 
}