function NavHomeOver()
{
document.getElementById("Nav1").src="images/Button1Hover.png"
}
function NavHomeOut()
{
document.getElementById("Nav1").src="images/Button1.png"
}


function NavRoomsOver() {
    document.getElementById("Nav2").src = "images/Button2Hover.png"
}
function NavRoomsOut() {
    document.getElementById("Nav2").src = "images/Button2.png"
}


function NavGalleryOver() {
    document.getElementById("Nav3").src = "images/Button3Hover.png"
}
function NavGalleryOut() {
    document.getElementById("Nav3").src = "images/Button3.png"
}


function NavContactOver() {
    document.getElementById("Nav4").src = "images/Button4Hover.png"
}
function NavContactOut() {
    document.getElementById("Nav4").src = "images/Button4.png"
}